140156448 has 24 divisors (see below), whose sum is σ = 367910928. Its totient is φ = 46718784.

The previous prime is 140156437. The next prime is 140156461. The reversal of 140156448 is 844651041.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729886 + ... + 730077.

It is an arithmetic number, because the mean of its divisors is an integer number (15329622).

Almost surely, 2^140156448 is an apocalyptic number.

It is an amenable number.

140156448 is an abundant number, since it is smaller than the sum of its proper divisors (227754480).

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

140156448 is a wasteful number, since it uses less digits than its factorization.

140156448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459976 (or 1459968 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 140156448 is about 11838.7688549105. The cubic root of 140156448 is about 519.4427561152.

The spelling of 140156448 in words is "one hundred forty million, one hundred fifty-six thousand, four hundred forty-eight".