102342534 has 32 divisors (see below), whose sum is σ = 235249920. Its totient is φ = 29075232.

The previous prime is 102342509. The next prime is 102342553. The reversal of 102342534 is 435243201.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712 + ... + 14324.

It is an arithmetic number, because the mean of its divisors is an integer number (7351560).

Almost surely, 2^102342534 is an apocalyptic number.

102342534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102342534 is an abundant number, since it is smaller than the sum of its proper divisors (132907386).

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

102342534 is a wasteful number, since it uses less digits than its factorization.

102342534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13804.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 102342534 is about 10116.4486851859. The cubic root of 102342534 is about 467.7553052777.

Adding to 102342534 its reverse (435243201), we get a palindrome (537585735).

The spelling of 102342534 in words is "one hundred two million, three hundred forty-two thousand, five hundred thirty-four".