100862545 has 16 divisors (see below), whose sum is σ = 145607040. Its totient is φ = 65522304.

The previous prime is 100862519. The next prime is 100862569. The reversal of 100862545 is 545268001.

It is a cyclic number.

It is not a de Polignac number, because 100862545 - 2¹⁵ = 100829777 is a prime.

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, 75172 + ... + 76501.

It is an arithmetic number, because the mean of its divisors is an integer number (9100440).

Almost surely, 2^100862545 is an apocalyptic number.

It is an amenable number.

100862545 is a deficient number, since it is larger than the sum of its proper divisors (44744495).

100862545 is a wasteful number, since it uses less digits than its factorization.

100862545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151704.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 100862545 is about 10043.0346509409. The cubic root of 100862545 is about 465.4895910925.

The spelling of 100862545 in words is "one hundred million, eight hundred sixty-two thousand, five hundred forty-five".