102342564 has 18 divisors (see below), whose sum is σ = 258699350. Its totient is φ = 34114176.

The previous prime is 102342557. The next prime is 102342577. The reversal of 102342564 is 465243201.

It can be written as a sum of positive squares in only one way, i.e., 101606400 + 736164 = 10080^2 + 858^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1421389 + ... + 1421460.

Almost surely, 2^102342564 is an apocalyptic number.

It is an amenable number.

102342564 is an abundant number, since it is smaller than the sum of its proper divisors (156356786).

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

102342564 is a wasteful number, since it uses less digits than its factorization.

102342564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842859 (or 2842854 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 102342564 is about 10116.4501679196. The cubic root of 102342564 is about 467.7553509826.

Adding to 102342564 its reverse (465243201), we get a palindrome (567585765).

The spelling of 102342564 in words is "one hundred two million, three hundred forty-two thousand, five hundred sixty-four".