140264445 has 32 divisors (see below), whose sum is σ = 234835200. Its totient is φ = 71396864.

The previous prime is 140264407. The next prime is 140264459. The reversal of 140264445 is 544462041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140264445 - 2⁶ = 140264381 is a prime.

It is a super-2 number, since 2×140264445² = 39348229062316050, which contains 22 as substring.

It is a congruent 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, 36904 + ... + 40526.

It is an arithmetic number, because the mean of its divisors is an integer number (7338600).

Almost surely, 2^140264445 is an apocalyptic number.

140264445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140264445 is a deficient number, since it is larger than the sum of its proper divisors (94570755).

140264445 is a wasteful number, since it uses less digits than its factorization.

140264445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 140264445 is about 11843.3291350025. The cubic root of 140264445 is about 519.5761400528.

The spelling of 140264445 in words is "one hundred forty million, two hundred sixty-four thousand, four hundred forty-five".