152421432 has 32 divisors (see below), whose sum is σ = 387304080. Its totient is φ = 49973760.

The previous prime is 152421431. The next prime is 152421433. The reversal of 152421432 is 234124251.

152421432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (152421431) and next prime (152421433).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152421431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50593 + ... + 53520.

Almost surely, 2^152421432 is an apocalyptic number.

152421432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

152421432 is an abundant number, since it is smaller than the sum of its proper divisors (234882648).

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

152421432 is a wasteful number, since it uses less digits than its factorization.

152421432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104183 (or 104179 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 152421432 is about 12345.9075000585. The cubic root of 152421432 is about 534.1730982270.

Adding to 152421432 its reverse (234124251), we get a palindrome (386545683).

The spelling of 152421432 in words is "one hundred fifty-two million, four hundred twenty-one thousand, four hundred thirty-two".