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145244610 = 23357313767
BaseRepresentation
bin10001010100001…
…00000111000010
3101010022012011000
420222010013002
5244140311420
622225032430
73412362450
oct1052040702
9333265130
10145244610
1174a94475
1240785716
1324125574
141540b9d0
15cb40690
hex8a841c2

145244610 has 256 divisors, whose sum is σ = 476282880. Its totient is φ = 30792960.

The previous prime is 145244597. The next prime is 145244611. The reversal of 145244610 is 16442541.

145244610 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 44 + 610 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (145244611) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2167797 + ... + 2167863.

It is an arithmetic number, because the mean of its divisors is an integer number (1860480).

Almost surely, 2145244610 is an apocalyptic number.

145244610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145244610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238141440).

145244610 is an abundant number, since it is smaller than the sum of its proper divisors (331038270).

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

145244610 is a wasteful number, since it uses less digits than its factorization.

145244610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 145244610 is about 12051.7471762396. The cubic root of 145244610 is about 525.6540420027.

The spelling of 145244610 in words is "one hundred forty-five million, two hundred forty-four thousand, six hundred ten".