102455340 has 96 divisors (see below), whose sum is σ = 322430976. Its totient is φ = 24119040.

The previous prime is 102455333. The next prime is 102455387. The reversal of 102455340 is 43554201.

It is a self number, because there is not a number n which added to its sum of digits gives 102455340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15085 + ... + 20795.

It is an arithmetic number, because the mean of its divisors is an integer number (3358656).

Almost surely, 2^102455340 is an apocalyptic number.

102455340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102455340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161215488).

102455340 is an abundant number, since it is smaller than the sum of its proper divisors (219975636).

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

102455340 is a wasteful number, since it uses less digits than its factorization.

102455340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5759 (or 5757 counting only the distinct ones).

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

The square root of 102455340 is about 10122.0225251676. The cubic root of 102455340 is about 467.9271016560.

The spelling of 102455340 in words is "one hundred two million, four hundred fifty-five thousand, three hundred forty".