102153540 has 48 divisors (see below), whose sum is σ = 287421120. Its totient is φ = 27108480.

The previous prime is 102153539. The next prime is 102153553. The reversal of 102153540 is 45351201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8626 + ... + 16694.

It is an arithmetic number, because the mean of its divisors is an integer number (5987940).

Almost surely, 2^102153540 is an apocalyptic number.

102153540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102153540 is an abundant number, since it is smaller than the sum of its proper divisors (185267580).

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

102153540 is a wasteful number, since it uses less digits than its factorization.

102153540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8292 (or 8290 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 102153540 is about 10107.1034426289. The cubic root of 102153540 is about 467.4671962646.

The spelling of 102153540 in words is "one hundred two million, one hundred fifty-three thousand, five hundred forty".