152432021 has 8 divisors (see below), whose sum is σ = 174613824. Its totient is φ = 130351680.

The previous prime is 152431999. The next prime is 152432029. The reversal of 152432021 is 120234251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152432021 - 2¹⁰ = 152430997 is a prime.

It is a super-2 number, since 2×152432021² = 46471042052288882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152431984 and 152432002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152432029) 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, 22115 + ... + 28176.

It is an arithmetic number, because the mean of its divisors is an integer number (21826728).

Almost surely, 2^152432021 is an apocalyptic number.

It is an amenable number.

152432021 is a deficient number, since it is larger than the sum of its proper divisors (22181803).

152432021 is an equidigital number, since it uses as much as digits as its factorization.

152432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50731.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 152432021 is about 12346.3363391737. The cubic root of 152432021 is about 534.1854679397.

Adding to 152432021 its reverse (120234251), we get a palindrome (272666272).

The spelling of 152432021 in words is "one hundred fifty-two million, four hundred thirty-two thousand, twenty-one".