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145137453348888 = 2333711213193211777
BaseRepresentation
bin100001000000000001110010…
…010110011011100000011000
3201000220000010200002021012000
4201000001302112123200120
5123010413001024131023
61232403120421521000
742366556252162560
oct4100016226334030
9630800120067160
10145137453348888
11422774a2765200
121434073b573160
1362ca5318824b0
1427ba993d89da0
1511ba55908b243
hex84007259b818

145137453348888 has 768 divisors, whose sum is σ = 574111741056000. Its totient is φ = 32966696632320.

The previous prime is 145137453348791. The next prime is 145137453348913. The reversal of 145137453348888 is 888843354731541.

145137453348888 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 3 + 7 + 4 + 533 + 4 + 8 + 8 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 43583256 + ... + 46795032.

It is an arithmetic number, because the mean of its divisors is an integer number (747541329500).

Almost surely, 2145137453348888 is an apocalyptic number.

145137453348888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145137453348888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287055870528000).

145137453348888 is an abundant number, since it is smaller than the sum of its proper divisors (428974287707112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145137453348888 is a wasteful number, since it uses less digits than its factorization.

145137453348888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211853 (or 3211832 counting only the distinct ones).

The product of its digits is 1238630400, while the sum is 72.

The spelling of 145137453348888 in words is "one hundred forty-five trillion, one hundred thirty-seven billion, four hundred fifty-three million, three hundred forty-eight thousand, eight hundred eighty-eight".