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145116426240 = 21232531109233
BaseRepresentation
bin1000011100100110011…
…1001111000000000000
3111212120102011021002100
42013021213033000000
54334144301114430
6150355432350400
713325056161612
oct2071147170000
9455512137070
10145116426240
11565a8491985
122415b245400
13108b8895c46
147048d58db2
153b94ec4960
hex21c99cf000

145116426240 has 624 divisors, whose sum is σ = 526247504640. Its totient is φ = 36946575360.

The previous prime is 145116426223. The next prime is 145116426241. The reversal of 145116426240 is 42624611541.

145116426240 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 1 + 642 + 6 + 2 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 145116426195 and 145116426204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145116426241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 622817164 + ... + 622817396.

It is an arithmetic number, because the mean of its divisors is an integer number (843345360).

Almost surely, 2145116426240 is an apocalyptic number.

145116426240 is a gapful number since it is divisible by the number (10) 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 145116426240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263123752320).

145116426240 is an abundant number, since it is smaller than the sum of its proper divisors (381131078400).

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

145116426240 is a wasteful number, since it uses less digits than its factorization.

145116426240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 145116426240 in words is "one hundred forty-five billion, one hundred sixteen million, four hundred twenty-six thousand, two hundred forty".