151064642 has 4 divisors (see below), whose sum is σ = 226596966. Its totient is φ = 75532320.

The previous prime is 151064597. The next prime is 151064663. The reversal of 151064642 is 246460151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121242121 + 29822521 = 11011^2 + 5461^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37766159 + ... + 37766162.

Almost surely, 2^151064642 is an apocalyptic number.

151064642 is a deficient number, since it is larger than the sum of its proper divisors (75532324).

151064642 is an equidigital number, since it uses as much as digits as its factorization.

151064642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75532323.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 151064642 is about 12290.8356916851. The cubic root of 151064642 is about 532.5833788341.

The spelling of 151064642 in words is "one hundred fifty-one million, sixty-four thousand, six hundred forty-two".