140457625 has 32 divisors (see below), whose sum is σ = 218559744. Its totient is φ = 87552000.

The previous prime is 140457617. The next prime is 140457631. The reversal of 140457625 is 526754041.

It is not a de Polignac number, because 140457625 - 2³ = 140457617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2329 + ... + 16921.

It is an arithmetic number, because the mean of its divisors is an integer number (6829992).

Almost surely, 2^140457625 is an apocalyptic number.

It is an amenable number.

140457625 is a deficient number, since it is larger than the sum of its proper divisors (78102119).

140457625 is a wasteful number, since it uses less digits than its factorization.

140457625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14626 (or 14616 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 140457625 is about 11851.4819748418. The cubic root of 140457625 is about 519.8145603566.

The spelling of 140457625 in words is "one hundred forty million, four hundred fifty-seven thousand, six hundred twenty-five".