152775438 has 16 divisors (see below), whose sum is σ = 305672400. Its totient is φ = 50904896.

The previous prime is 152775433. The next prime is 152775439. The reversal of 152775438 is 834577251.

It is a self number, because there is not a number n which added to its sum of digits gives 152775438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152775433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25156 + ... + 30632.

It is an arithmetic number, because the mean of its divisors is an integer number (19104525).

Almost surely, 2^152775438 is an apocalyptic number.

152775438 is an abundant number, since it is smaller than the sum of its proper divisors (152896962).

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

152775438 is a wasteful number, since it uses less digits than its factorization.

152775438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10131.

The product of its digits is 235200, while the sum is 42.

The square root of 152775438 is about 12360.2361627924. The cubic root of 152775438 is about 534.5863259244.

The spelling of 152775438 in words is "one hundred fifty-two million, seven hundred seventy-five thousand, four hundred thirty-eight".