140245543431 has 48 divisors (see below), whose sum is σ = 235563793920. Its totient is φ = 78740735040.

The previous prime is 140245543381. The next prime is 140245543483. The reversal of 140245543431 is 134345542041.

140245543431 is a `hidden beast` number, since 1 + 40 + 2 + 4 + 554 + 34 + 31 = 666.

It is not a de Polignac number, because 140245543431 - 2¹⁵ = 140245510663 is a prime.

It is a super-2 number, since 2×140245543431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140245543631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7949286 + ... + 7966908.

It is an arithmetic number, because the mean of its divisors is an integer number (4907579040).

Almost surely, 2^140245543431 is an apocalyptic number.

140245543431 is a deficient number, since it is larger than the sum of its proper divisors (95318250489).

140245543431 is a wasteful number, since it uses less digits than its factorization.

140245543431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19836 (or 19833 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 140245543431 in words is "one hundred forty billion, two hundred forty-five million, five hundred forty-three thousand, four hundred thirty-one".