102662142 has 32 divisors (see below), whose sum is σ = 231220224. Its totient is φ = 30105600.

The previous prime is 102662141. The next prime is 102662171. The reversal of 102662142 is 241266201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102662141) 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, 23043 + ... + 27134.

It is an arithmetic number, because the mean of its divisors is an integer number (7225632).

Almost surely, 2^102662142 is an apocalyptic number.

102662142 is an abundant number, since it is smaller than the sum of its proper divisors (128558082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102662142 is a wasteful number, since it uses less digits than its factorization.

102662142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50224.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 102662142 is about 10132.2328240127. The cubic root of 102662142 is about 468.2417207728.

The spelling of 102662142 in words is "one hundred two million, six hundred sixty-two thousand, one hundred forty-two".