151604442 has 48 divisors (see below), whose sum is σ = 359229312. Its totient is φ = 45826560.

The previous prime is 151604441. The next prime is 151604443. The reversal of 151604442 is 244406151.

151604442 is a `hidden beast` number, since 1 + 51 + 604 + 4 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (151604441) and next prime (151604443).

It is not an unprimeable number, because it can be changed into a prime (151604441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113583 + ... + 114909.

It is an arithmetic number, because the mean of its divisors is an integer number (7483944).

Almost surely, 2^151604442 is an apocalyptic number.

151604442 is an abundant number, since it is smaller than the sum of its proper divisors (207624870).

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

151604442 is a wasteful number, since it uses less digits than its factorization.

151604442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923 (or 1920 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 151604442 is about 12312.7755603682. The cubic root of 151604442 is about 533.2169856447.

The spelling of 151604442 in words is "one hundred fifty-one million, six hundred four thousand, four hundred forty-two".