140463455 has 12 divisors (see below), whose sum is σ = 185273256. Its totient is φ = 102154800.

The previous prime is 140463451. The next prime is 140463487. The reversal of 140463455 is 554364041.

It is not a de Polignac number, because 140463455 - 2² = 140463451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140463451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115481 + ... + 116690.

It is an arithmetic number, because the mean of its divisors is an integer number (15439438).

Almost surely, 2^140463455 is an apocalyptic number.

140463455 is a deficient number, since it is larger than the sum of its proper divisors (44809801).

140463455 is a wasteful number, since it uses less digits than its factorization.

140463455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232198 (or 232187 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 140463455 is about 11851.7279330906. The cubic root of 140463455 is about 519.8217522694.

The spelling of 140463455 in words is "one hundred forty million, four hundred sixty-three thousand, four hundred fifty-five".