140342044 has 24 divisors (see below), whose sum is σ = 259378560. Its totient is φ = 66307824.

The previous prime is 140342011. The next prime is 140342051. The reversal of 140342044 is 440243041.

140342044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1554 + ... + 16825.

It is an arithmetic number, because the mean of its divisors is an integer number (10807440).

Almost surely, 2^140342044 is an apocalyptic number.

It is an amenable number.

140342044 is a deficient number, since it is larger than the sum of its proper divisors (119036516).

140342044 is a wasteful number, since it uses less digits than its factorization.

140342044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18489 (or 18487 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 140342044 is about 11846.6047456645. The cubic root of 140342044 is about 519.6719380435.

Adding to 140342044 its reverse (440243041), we get a palindrome (580585085).

The spelling of 140342044 in words is "one hundred forty million, three hundred forty-two thousand, forty-four".