140265645 has 32 divisors (see below), whose sum is σ = 243005952. Its totient is φ = 68677632.

The previous prime is 140265641. The next prime is 140265647. The reversal of 140265645 is 546562041.

It is not a de Polignac number, because 140265645 - 2² = 140265641 is a prime.

It is a super-3 number, since 3×140265645³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140265641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35772 + ... + 39498.

It is an arithmetic number, because the mean of its divisors is an integer number (7593936).

Almost surely, 2^140265645 is an apocalyptic number.

140265645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140265645 is a deficient number, since it is larger than the sum of its proper divisors (102740307).

140265645 is a wasteful number, since it uses less digits than its factorization.

140265645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 140265645 is about 11843.3797963250. The cubic root of 140265645 is about 519.5776217531.

The spelling of 140265645 in words is "one hundred forty million, two hundred sixty-five thousand, six hundred forty-five".