140952228 has 24 divisors (see below), whose sum is σ = 335095488. Its totient is φ = 46097376.

The previous prime is 140952199. The next prime is 140952233. The reversal of 140952228 is 822259041.

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 7 ways as a sum of consecutive naturals, for example, 110176 + ... + 111447.

It is an arithmetic number, because the mean of its divisors is an integer number (13962312).

Almost surely, 2^140952228 is an apocalyptic number.

It is an amenable number.

140952228 is an abundant number, since it is smaller than the sum of its proper divisors (194143260).

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

140952228 is a wasteful number, since it uses less digits than its factorization.

140952228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221683 (or 221681 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 140952228 is about 11872.3303525466. The cubic root of 140952228 is about 520.4239983671.

The spelling of 140952228 in words is "one hundred forty million, nine hundred fifty-two thousand, two hundred twenty-eight".