150021432 has 48 divisors (see below), whose sum is σ = 443247480. Its totient is φ = 45460800.

The previous prime is 150021401. The next prime is 150021463. The reversal of 150021432 is 234120051.

It is an interprime number because it is at equal distance from previous prime (150021401) and next prime (150021463).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93919 + ... + 95502.

Almost surely, 2^150021432 is an apocalyptic number.

150021432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

150021432 is an abundant number, since it is smaller than the sum of its proper divisors (293226048).

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

150021432 is a wasteful number, since it uses less digits than its factorization.

150021432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189444 (or 189437 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 150021432 is about 12248.3236404008. The cubic root of 150021432 is about 531.3545888289.

Adding to 150021432 its reverse (234120051), we get a palindrome (384141483).

The spelling of 150021432 in words is "one hundred fifty million, twenty-one thousand, four hundred thirty-two".