140775645 has 8 divisors (see below), whose sum is σ = 225241056. Its totient is φ = 75080336.

The previous prime is 140775637. The next prime is 140775653. The reversal of 140775645 is 546577041.

It is an interprime number because it is at equal distance from previous prime (140775637) and next prime (140775653).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140775645 - 2³ = 140775637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4692507 + ... + 4692536.

It is an arithmetic number, because the mean of its divisors is an integer number (28155132).

Almost surely, 2^140775645 is an apocalyptic number.

140775645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140775645 is a deficient number, since it is larger than the sum of its proper divisors (84465411).

140775645 is an equidigital number, since it uses as much as digits as its factorization.

140775645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9385051.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 140775645 is about 11864.8912763666. The cubic root of 140775645 is about 520.2065808890.

The spelling of 140775645 in words is "one hundred forty million, seven hundred seventy-five thousand, six hundred forty-five".