156142251465 has 32 divisors (see below), whose sum is σ = 263032686720. Its totient is φ = 78876048384.

The previous prime is 156142251439. The next prime is 156142251527. The reversal of 156142251465 is 564152241651.

It is a happy number.

It is not a de Polignac number, because 156142251465 - 2¹² = 156142247369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1333777 + ... + 1446113.

It is an arithmetic number, because the mean of its divisors is an integer number (8219771460).

Almost surely, 2^156142251465 is an apocalyptic number.

156142251465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

156142251465 is a deficient number, since it is larger than the sum of its proper divisors (106890435255).

156142251465 is a wasteful number, since it uses less digits than its factorization.

156142251465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117241.

The product of its digits is 288000, while the sum is 42.

The spelling of 156142251465 in words is "one hundred fifty-six billion, one hundred forty-two million, two hundred fifty-one thousand, four hundred sixty-five".