156366245140231 has 16 divisors (see below), whose sum is σ = 180288876236544. Its totient is φ = 132839804409984.

The previous prime is 156366245140229. The next prime is 156366245140243. The reversal of 156366245140231 is 132041542663651.

It is a happy number.

It is not a de Polignac number, because 156366245140231 - 2¹ = 156366245140229 is a prime.

It is a super-2 number, since 2×156366245140231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156366245140291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44471580 + ... + 47858686.

It is an arithmetic number, because the mean of its divisors is an integer number (11268054764784).

Almost surely, 2^{156366245140231} is an apocalyptic number.

156366245140231 is a deficient number, since it is larger than the sum of its proper divisors (23922631096313).

156366245140231 is a wasteful number, since it uses less digits than its factorization.

156366245140231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445590.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 156366245140231 in words is "one hundred fifty-six trillion, three hundred sixty-six billion, two hundred forty-five million, one hundred forty thousand, two hundred thirty-one".