156640141344 has 48 divisors (see below), whose sum is σ = 429057784512. Its totient is φ = 49943232768.

The previous prime is 156640141327. The next prime is 156640141351. The reversal of 156640141344 is 443141046651.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×156640141344² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35468839 + ... + 35473254.

It is an arithmetic number, because the mean of its divisors is an integer number (8938703844).

Almost surely, 2^156640141344 is an apocalyptic number.

It is an amenable number.

156640141344 is an abundant number, since it is smaller than the sum of its proper divisors (272417643168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156640141344 is a wasteful number, since it uses less digits than its factorization.

156640141344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70942129 (or 70942121 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 156640141344 its reverse (443141046651), we get a palindrome (599781187995).

The spelling of 156640141344 in words is "one hundred fifty-six billion, six hundred forty million, one hundred forty-one thousand, three hundred forty-four".