140544456 has 48 divisors (see below), whose sum is σ = 380478960. Its totient is φ = 43243200.

The previous prime is 140544419. The next prime is 140544473. The reversal of 140544456 is 654445041.

It is a super-2 number, since 2×140544456² = 39505488224671872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13270 + ... + 21381.

It is an arithmetic number, because the mean of its divisors is an integer number (7926645).

Almost surely, 2^140544456 is an apocalyptic number.

It is an amenable number.

140544456 is an abundant number, since it is smaller than the sum of its proper divisors (239934504).

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

140544456 is a wasteful number, since it uses less digits than its factorization.

140544456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34686 (or 34669 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 140544456 is about 11855.1447059916. The cubic root of 140544456 is about 519.9216548635.

Adding to 140544456 its reverse (654445041), we get a palindrome (794989497).

The spelling of 140544456 in words is "one hundred forty million, five hundred forty-four thousand, four hundred fifty-six".