152938840 has 32 divisors (see below), whose sum is σ = 346404960. Its totient is φ = 60768000.

The previous prime is 152938813. The next prime is 152938843. The reversal of 152938840 is 48839251.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 152938793 and 152938802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152938843) 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, 6621 + ... + 18700.

It is an arithmetic number, because the mean of its divisors is an integer number (10825155).

Almost surely, 2^152938840 is an apocalyptic number.

152938840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152938840 is an abundant number, since it is smaller than the sum of its proper divisors (193466120).

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

152938840 is a wasteful number, since it uses less digits than its factorization.

152938840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25483 (or 25479 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 152938840 is about 12366.8443832693. The cubic root of 152938840 is about 534.7768481525.

The spelling of 152938840 in words is "one hundred fifty-two million, nine hundred thirty-eight thousand, eight hundred forty".