100457145 has 16 divisors (see below), whose sum is σ = 178590720. Its totient is φ = 53577072.

The previous prime is 100457099. The next prime is 100457153. The reversal of 100457145 is 541754001.

It is a happy number.

It is not a de Polignac number, because 100457145 - 2¹⁰ = 100456121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 371929 + ... + 372198.

It is an arithmetic number, because the mean of its divisors is an integer number (11161920).

Almost surely, 2^100457145 is an apocalyptic number.

100457145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100457145 is a deficient number, since it is larger than the sum of its proper divisors (78133575).

100457145 is an equidigital number, since it uses as much as digits as its factorization.

100457145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744141 (or 744135 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 100457145 is about 10022.8311868454. The cubic root of 100457145 is about 464.8651013477.

The spelling of 100457145 in words is "one hundred million, four hundred fifty-seven thousand, one hundred forty-five".