151323862642 has 4 divisors (see below), whose sum is σ = 226985793966. Its totient is φ = 75661931320.

The previous prime is 151323862633. The next prime is 151323862661. The reversal of 151323862642 is 246268323151.

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., 88703304561 + 62620558081 = 297831^2 + 250241^2 .

It is a super-2 number, since 2×151323862642² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37830965659 + ... + 37830965662.

Almost surely, 2^151323862642 is an apocalyptic number.

151323862642 is a deficient number, since it is larger than the sum of its proper divisors (75661931324).

151323862642 is an equidigital number, since it uses as much as digits as its factorization.

151323862642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75661931323.

The product of its digits is 414720, while the sum is 43.

The spelling of 151323862642 in words is "one hundred fifty-one billion, three hundred twenty-three million, eight hundred sixty-two thousand, six hundred forty-two".