102054438 has 32 divisors (see below), whose sum is σ = 229903200. Its totient is φ = 33550848.

The previous prime is 102054419. The next prime is 102054439. The reversal of 102054438 is 834450201.

102054438 is a `hidden beast` number, since 10 + 205 + 443 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102054439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9003 + ... + 16886.

It is an arithmetic number, because the mean of its divisors is an integer number (7184475).

Almost surely, 2^102054438 is an apocalyptic number.

102054438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

102054438 is an abundant number, since it is smaller than the sum of its proper divisors (127848762).

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

102054438 is a wasteful number, since it uses less digits than its factorization.

102054438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25973 (or 25967 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 102054438 is about 10102.1996614599. The cubic root of 102054438 is about 467.3159796966.

The spelling of 102054438 in words is "one hundred two million, fifty-four thousand, four hundred thirty-eight".