151567432642 has 4 divisors (see below), whose sum is σ = 227351148966. Its totient is φ = 75783716320.

The previous prime is 151567432637. The next prime is 151567432721. The reversal of 151567432642 is 246234765151.

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., 151390249921 + 177182721 = 389089^2 + 13311^2 .

It is a junction number, because it is equal to n+sod(n) for n = 151567432592 and 151567432601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37891858159 + ... + 37891858162.

Almost surely, 2^151567432642 is an apocalyptic number.

151567432642 is a deficient number, since it is larger than the sum of its proper divisors (75783716324).

151567432642 is an equidigital number, since it uses as much as digits as its factorization.

151567432642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75783716323.

The product of its digits is 1209600, while the sum is 46.

The spelling of 151567432642 in words is "one hundred fifty-one billion, five hundred sixty-seven million, four hundred thirty-two thousand, six hundred forty-two".