100515445 has 8 divisors (see below), whose sum is σ = 120708000. Its totient is φ = 80352720.

The previous prime is 100515439. The next prime is 100515473. The reversal of 100515445 is 544515001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100515445 - 2¹¹ = 100513397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790 + ... + 14200.

It is an arithmetic number, because the mean of its divisors is an integer number (15088500).

Almost surely, 2^100515445 is an apocalyptic number.

It is an amenable number.

100515445 is a deficient number, since it is larger than the sum of its proper divisors (20192555).

100515445 is a wasteful number, since it uses less digits than its factorization.

100515445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14915.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 100515445 is about 10025.7391248725. The cubic root of 100515445 is about 464.9550116417.

The spelling of 100515445 in words is "one hundred million, five hundred fifteen thousand, four hundred forty-five".