18100745 has 24 divisors (see below), whose sum is σ = 24314112. Its totient is φ = 12916800.

The previous prime is 18100729. The next prime is 18100751. The reversal of 18100745 is 54700181.

It is not a de Polignac number, because 18100745 - 2⁴ = 18100729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25850 + ... + 26540.

It is an arithmetic number, because the mean of its divisors is an integer number (1013088).

Almost surely, 2^18100745 is an apocalyptic number.

It is an amenable number.

18100745 is a deficient number, since it is larger than the sum of its proper divisors (6213367).

18100745 is a wasteful number, since it uses less digits than its factorization.

18100745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 18100745 is about 4254.4970325527. The cubic root of 18100745 is about 262.5621681931.

The spelling of 18100745 in words is "eighteen million, one hundred thousand, seven hundred forty-five".