140055443 has 12 divisors (see below), whose sum is σ = 154269360. Its totient is φ = 127055280.

The previous prime is 140055431. The next prime is 140055449. The reversal of 140055443 is 344550041.

It is not a de Polignac number, because 140055443 - 2⁶ = 140055379 is a prime.

It is a super-2 number, since 2×140055443² = 39231054227852498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140055449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77393 + ... + 79181.

It is an arithmetic number, because the mean of its divisors is an integer number (12855780).

Almost surely, 2^140055443 is an apocalyptic number.

140055443 is a deficient number, since it is larger than the sum of its proper divisors (14213917).

140055443 is a wasteful number, since it uses less digits than its factorization.

140055443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 140055443 is about 11834.5022286533. The cubic root of 140055443 is about 519.3179457698.

The spelling of 140055443 in words is "one hundred forty million, fifty-five thousand, four hundred forty-three".