140945256 has 24 divisors (see below), whose sum is σ = 381726930. Its totient is φ = 46981728.

The previous prime is 140945237. The next prime is 140945263. The reversal of 140945256 is 652549041.

140945256 is a `hidden beast` number, since 1 + 40 + 94 + 525 + 6 = 666.

140945256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 125216100 + 15729156 = 11190^2 + 3966^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 140945256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 978715 + ... + 978858.

Almost surely, 2^140945256 is an apocalyptic number.

It is an amenable number.

140945256 is an abundant number, since it is smaller than the sum of its proper divisors (240781674).

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

140945256 is a wasteful number, since it uses less digits than its factorization.

140945256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957585 (or 1957578 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 140945256 is about 11872.0367250106. The cubic root of 140945256 is about 520.4154175498.

It can be divided in two parts, 1409 and 45256, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 140945256 in words is "one hundred forty million, nine hundred forty-five thousand, two hundred fifty-six".