100572542 has 16 divisors (see below), whose sum is σ = 172711392. Its totient is φ = 43027200.

The previous prime is 100572539. The next prime is 100572547. The reversal of 100572542 is 245275001.

It is a super-2 number, since 2×100572542² = 20229672408683528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100572547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2438 + ... + 14390.

It is an arithmetic number, because the mean of its divisors is an integer number (10794462).

Almost surely, 2^100572542 is an apocalyptic number.

100572542 is a deficient number, since it is larger than the sum of its proper divisors (72138850).

100572542 is a wasteful number, since it uses less digits than its factorization.

100572542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12563.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 100572542 is about 10028.5862413403. The cubic root of 100572542 is about 465.0430329774.

The spelling of 100572542 in words is "one hundred million, five hundred seventy-two thousand, five hundred forty-two".