151404432 has 20 divisors (see below), whose sum is σ = 391128240. Its totient is φ = 50468128.

The previous prime is 151404427. The next prime is 151404439. The reversal of 151404432 is 234404151.

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

It is not an unprimeable number, because it can be changed into a prime (151404439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1577082 + ... + 1577177.

It is an arithmetic number, because the mean of its divisors is an integer number (19556412).

Almost surely, 2^151404432 is an apocalyptic number.

151404432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151404432 is an abundant number, since it is smaller than the sum of its proper divisors (239723808).

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

151404432 is a wasteful number, since it uses less digits than its factorization.

151404432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154270 (or 3154264 counting only the distinct ones).

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

The square root of 151404432 is about 12304.6508280406. The cubic root of 151404432 is about 532.9823934334.

Adding to 151404432 its reverse (234404151), we get a palindrome (385808583).

The spelling of 151404432 in words is "one hundred fifty-one million, four hundred four thousand, four hundred thirty-two".