100251045 has 12 divisors (see below), whose sum is σ = 173768556. Its totient is φ = 53467200.

The previous prime is 100250987. The next prime is 100251059. The reversal of 100251045 is 540152001.

It can be written as a sum of positive squares in 2 ways, for example, as 28323684 + 71927361 = 5322^2 + 8481^2 .

It is not a de Polignac number, because 100251045 - 2⁶ = 100250981 is a prime.

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 1113856 + ... + 1113945.

It is an arithmetic number, because the mean of its divisors is an integer number (14480713).

Almost surely, 2^100251045 is an apocalyptic number.

100251045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100251045 is a deficient number, since it is larger than the sum of its proper divisors (73517511).

100251045 is a wasteful number, since it uses less digits than its factorization.

100251045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227812 (or 2227809 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 100251045 is about 10012.5443819241. The cubic root of 100251045 is about 464.5469746705.

The spelling of 100251045 in words is "one hundred million, two hundred fifty-one thousand, forty-five".