102240115524 has 18 divisors (see below), whose sum is σ = 258440292110. Its totient is φ = 34080038496.

The previous prime is 102240115513. The next prime is 102240115561. The reversal of 102240115524 is 425511042201.

It is a happy number.

102240115524 is a `hidden beast` number, since 1 + 0 + 2 + 24 + 0 + 115 + 524 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59935853124 + 42304262400 = 244818^2 + 205680^2 .

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, 1420001569 + ... + 1420001640.

Almost surely, 2^102240115524 is an apocalyptic number.

It is an amenable number.

102240115524 is an abundant number, since it is smaller than the sum of its proper divisors (156200176586).

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

102240115524 is a wasteful number, since it uses less digits than its factorization.

102240115524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840003219 (or 2840003214 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 102240115524 its reverse (425511042201), we get a palindrome (527751157725).

The spelling of 102240115524 in words is "one hundred two billion, two hundred forty million, one hundred fifteen thousand, five hundred twenty-four".