140445470234 has 16 divisors (see below), whose sum is σ = 216058378536. Its totient is φ = 68430009600.

The previous prime is 140445470213. The next prime is 140445470251. The reversal of 140445470234 is 432074544041.

It can be written as a sum of positive squares in 4 ways, for example, as 110358833209 + 30086637025 = 332203^2 + 173455^2 .

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, 928997 + ... + 1069544.

Almost surely, 2^140445470234 is an apocalyptic number.

140445470234 is a deficient number, since it is larger than the sum of its proper divisors (75612908302).

140445470234 is a wasteful number, since it uses less digits than its factorization.

140445470234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999441.

The product of its (nonzero) digits is 215040, while the sum is 38.

The spelling of 140445470234 in words is "one hundred forty billion, four hundred forty-five million, four hundred seventy thousand, two hundred thirty-four".