140455472 has 10 divisors (see below), whose sum is σ = 272132508. Its totient is φ = 70227728.

The previous prime is 140455453. The next prime is 140455477. The reversal of 140455472 is 274554041.

140455472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140455472² = 39455479229485568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140455477) by changing a digit.

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 as a sum of consecutive naturals, namely, 4389218 + ... + 4389249.

Almost surely, 2^140455472 is an apocalyptic number.

It is an amenable number.

140455472 is a deficient number, since it is larger than the sum of its proper divisors (131677036).

140455472 is an equidigital number, since it uses as much as digits as its factorization.

140455472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778475 (or 8778469 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 140455472 is about 11851.3911419715. The cubic root of 140455472 is about 519.8119043564.

The spelling of 140455472 in words is "one hundred forty million, four hundred fifty-five thousand, four hundred seventy-two".