102240054 has 24 divisors (see below), whose sum is σ = 253166160. Its totient is φ = 29211408.

The previous prime is 102240053. The next prime is 102240067. The reversal of 102240054 is 450042201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102240053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405589 + ... + 405840.

It is an arithmetic number, because the mean of its divisors is an integer number (10548590).

Almost surely, 2^102240054 is an apocalyptic number.

102240054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102240054 is an abundant number, since it is smaller than the sum of its proper divisors (150926106).

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

102240054 is a wasteful number, since it uses less digits than its factorization.

102240054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811444 (or 811441 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 102240054 is about 10111.3823980700. The cubic root of 102240054 is about 467.5991252722.

Adding to 102240054 its reverse (450042201), we get a palindrome (552282255).

The spelling of 102240054 in words is "one hundred two million, two hundred forty thousand, fifty-four".