152121624 has 32 divisors (see below), whose sum is σ = 385984320. Its totient is φ = 49949856.

The previous prime is 152121623. The next prime is 152121667. The reversal of 152121624 is 426121251.

152121624 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 152121594 and 152121603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152121623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45694 + ... + 48909.

It is an arithmetic number, because the mean of its divisors is an integer number (12062010).

Almost surely, 2^152121624 is an apocalyptic number.

It is an amenable number.

152121624 is an abundant number, since it is smaller than the sum of its proper divisors (233862696).

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

152121624 is a wasteful number, since it uses less digits than its factorization.

152121624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94679 (or 94675 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 152121624 is about 12333.7595241678. The cubic root of 152121624 is about 533.8226346387.

Adding to 152121624 its reverse (426121251), we get a palindrome (578242875).

It can be divided in two parts, 15212 and 1624, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 152121624 in words is "one hundred fifty-two million, one hundred twenty-one thousand, six hundred twenty-four".