140555454 has 32 divisors (see below), whose sum is σ = 304456320. Its totient is φ = 43001952.

The previous prime is 140555453. The next prime is 140555477. The reversal of 140555454 is 454555041.

It is a super-2 number, since 2×140555454² = 39511671298292232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140555453) 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 in 15 ways as a sum of consecutive naturals, for example, 8929 + ... + 18995.

It is an arithmetic number, because the mean of its divisors is an integer number (9514260).

Almost surely, 2^140555454 is an apocalyptic number.

140555454 is an abundant number, since it is smaller than the sum of its proper divisors (163900866).

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

140555454 is a wasteful number, since it uses less digits than its factorization.

140555454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10264.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 140555454 is about 11855.6085461692. The cubic root of 140555454 is about 519.9352162883.

The spelling of 140555454 in words is "one hundred forty million, five hundred fifty-five thousand, four hundred fifty-four".