151432420 has 24 divisors (see below), whose sum is σ = 318282048. Its totient is φ = 60520800.

The previous prime is 151432399. The next prime is 151432429. The reversal of 151432420 is 24234151.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 151432391 and 151432400.

It is not an unprimeable number, because it can be changed into a prime (151432429) 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, 27715 + ... + 32725.

It is an arithmetic number, because the mean of its divisors is an integer number (13261752).

Almost surely, 2^151432420 is an apocalyptic number.

151432420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151432420 is an abundant number, since it is smaller than the sum of its proper divisors (166849628).

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

151432420 is a wasteful number, since it uses less digits than its factorization.

151432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6531 (or 6529 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 151432420 is about 12305.7880690348. The cubic root of 151432420 is about 533.0152330537.

Adding to 151432420 its reverse (24234151), we get a palindrome (175666571).

The spelling of 151432420 in words is "one hundred fifty-one million, four hundred thirty-two thousand, four hundred twenty".