151564122 has 20 divisors (see below), whose sum is σ = 339616266. Its totient is φ = 50521320.

The previous prime is 151564103. The next prime is 151564123. The reversal of 151564122 is 221465151.

151564122 is a `hidden beast` number, since 1 + 5 + 15 + 641 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86099841 + 65464281 = 9279^2 + 8091^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (151564123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 467629 + ... + 467952.

Almost surely, 2^151564122 is an apocalyptic number.

151564122 is an abundant number, since it is smaller than the sum of its proper divisors (188052144).

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

151564122 is an equidigital number, since it uses as much as digits as its factorization.

151564122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935595 (or 935586 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 151564122 is about 12311.1381277281. The cubic root of 151564122 is about 533.1697108313.

The spelling of 151564122 in words is "one hundred fifty-one million, five hundred sixty-four thousand, one hundred twenty-two".