102253542 has 16 divisors (see below), whose sum is σ = 206118912. Its totient is φ = 33815880.

The previous prime is 102253537. The next prime is 102253577. The reversal of 102253542 is 245352201.

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, 66334 + ... + 67857.

It is an arithmetic number, because the mean of its divisors is an integer number (12882432).

Almost surely, 2^102253542 is an apocalyptic number.

102253542 is an abundant number, since it is smaller than the sum of its proper divisors (103865370).

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

102253542 is a wasteful number, since it uses less digits than its factorization.

102253542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134323.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 102253542 is about 10112.0493471897. The cubic root of 102253542 is about 467.6196870104.

The spelling of 102253542 in words is "one hundred two million, two hundred fifty-three thousand, five hundred forty-two".