100260645 has 32 divisors (see below), whose sum is σ = 170398080. Its totient is φ = 50165760.

The previous prime is 100260631. The next prime is 100260661. The reversal of 100260645 is 546062001.

It is not a de Polignac number, because 100260645 - 2⁶ = 100260581 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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144750 + ... + 145440.

It is an arithmetic number, because the mean of its divisors is an integer number (5324940).

Almost surely, 2^100260645 is an apocalyptic number.

100260645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100260645 is a deficient number, since it is larger than the sum of its proper divisors (70137435).

100260645 is a wasteful number, since it uses less digits than its factorization.

100260645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 100260645 is about 10013.0237690720. The cubic root of 100260645 is about 464.5618024748.

The spelling of 100260645 in words is "one hundred million, two hundred sixty thousand, six hundred forty-five".