100766645 has 16 divisors (see below), whose sum is σ = 140090880. Its totient is φ = 68148864.

The previous prime is 100766629. The next prime is 100766663. The reversal of 100766645 is 546667001.

It is not a de Polignac number, because 100766645 - 2⁴ = 100766629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17165 + ... + 22274.

It is an arithmetic number, because the mean of its divisors is an integer number (8755680).

Almost surely, 2^100766645 is an apocalyptic number.

It is an amenable number.

100766645 is a deficient number, since it is larger than the sum of its proper divisors (39324235).

100766645 is an equidigital number, since it uses as much as digits as its factorization.

100766645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39524.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 100766645 is about 10038.2590622079. The cubic root of 100766645 is about 465.3420153091.

The spelling of 100766645 in words is "one hundred million, seven hundred sixty-six thousand, six hundred forty-five".