140145474 has 16 divisors (see below), whose sum is σ = 320332608. Its totient is φ = 40041552.

The previous prime is 140145449. The next prime is 140145491. The reversal of 140145474 is 474541041.

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, 1668357 + ... + 1668440.

It is an arithmetic number, because the mean of its divisors is an integer number (20020788).

Almost surely, 2^140145474 is an apocalyptic number.

140145474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140145474 is an abundant number, since it is smaller than the sum of its proper divisors (180187134).

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

140145474 is a wasteful number, since it uses less digits than its factorization.

140145474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336809.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 140145474 is about 11838.3053685906. The cubic root of 140145474 is about 519.4291986141.

The spelling of 140145474 in words is "one hundred forty million, one hundred forty-five thousand, four hundred seventy-four".