152638775 has 24 divisors (see below), whose sum is σ = 194475648. Its totient is φ = 118800000.

The previous prime is 152638763. The next prime is 152638789. The reversal of 152638775 is 577836251.

It is a happy number.

It is not a de Polignac number, because 152638775 - 2¹² = 152634679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153530 + ... + 154520.

It is an arithmetic number, because the mean of its divisors is an integer number (8103152).

Almost surely, 2^152638775 is an apocalyptic number.

152638775 is a deficient number, since it is larger than the sum of its proper divisors (41836873).

152638775 is a wasteful number, since it uses less digits than its factorization.

152638775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1158 counting only the distinct ones).

The product of its digits is 352800, while the sum is 44.

The square root of 152638775 is about 12354.7065930357. The cubic root of 152638775 is about 534.4268762834.

The spelling of 152638775 in words is "one hundred fifty-two million, six hundred thirty-eight thousand, seven hundred seventy-five".