151413156506 has 4 divisors (see below), whose sum is σ = 227119734762. Its totient is φ = 75706578252.

The previous prime is 151413156431. The next prime is 151413156509. The reversal of 151413156506 is 605651314151.

It is a happy number.

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., 135859325281 + 15553831225 = 368591^2 + 124715^2 .

It is a super-2 number, since 2×151413156506² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151413156506.

It is not an unprimeable number, because it can be changed into a prime (151413156509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37853289125 + ... + 37853289128.

Almost surely, 2^151413156506 is an apocalyptic number.

151413156506 is a deficient number, since it is larger than the sum of its proper divisors (75706578256).

151413156506 is an equidigital number, since it uses as much as digits as its factorization.

151413156506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75706578255.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 151413156506 in words is "one hundred fifty-one billion, four hundred thirteen million, one hundred fifty-six thousand, five hundred six".