140145475 has 12 divisors (see below), whose sum is σ = 173933064. Its totient is φ = 112017920.

The previous prime is 140145449. The next prime is 140145491. The reversal of 140145475 is 574541041.

It is not a de Polignac number, because 140145475 - 2⁵ = 140145443 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 43107 + ... + 46243.

It is an arithmetic number, because the mean of its divisors is an integer number (14494422).

Almost surely, 2^140145475 is an apocalyptic number.

140145475 is a deficient number, since it is larger than the sum of its proper divisors (33787589).

140145475 is a wasteful number, since it uses less digits than its factorization.

140145475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934 (or 4929 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 140145475 is about 11838.3054108263. The cubic root of 140145475 is about 519.4291998496.

The spelling of 140145475 in words is "one hundred forty million, one hundred forty-five thousand, four hundred seventy-five".