108243957 has 16 divisors (see below), whose sum is σ = 150847488. Its totient is φ = 68911920.

The previous prime is 108243953. The next prime is 108243959. The reversal of 108243957 is 759342801.

It is not a de Polignac number, because 108243957 - 2² = 108243953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108243953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67588 + ... + 69170.

It is an arithmetic number, because the mean of its divisors is an integer number (9427968).

Almost surely, 2^108243957 is an apocalyptic number.

It is an amenable number.

108243957 is a deficient number, since it is larger than the sum of its proper divisors (42603531).

108243957 is a wasteful number, since it uses less digits than its factorization.

108243957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 108243957 is about 10404.0356112424. The cubic root of 108243957 is about 476.5786177912.

The spelling of 108243957 in words is "one hundred eight million, two hundred forty-three thousand, nine hundred fifty-seven".