243157102 has 16 divisors (see below), whose sum is σ = 375422400. Its totient is φ = 118067040.

The previous prime is 243157099. The next prime is 243157111. The reversal of 243157102 is 201751342.

It is a happy number.

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, 2977 + ... + 22252.

It is an arithmetic number, because the mean of its divisors is an integer number (23463900).

Almost surely, 2^243157102 is an apocalyptic number.

243157102 is a deficient number, since it is larger than the sum of its proper divisors (132265298).

243157102 is a wasteful number, since it uses less digits than its factorization.

243157102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25371.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 243157102 is about 15593.4955029333. The cubic root of 243157102 is about 624.1595975043.

The spelling of 243157102 in words is "two hundred forty-three million, one hundred fifty-seven thousand, one hundred two".