102453040 has 40 divisors (see below), whose sum is σ = 248564448. Its totient is φ = 39198720.

The previous prime is 102453007. The next prime is 102453061. The reversal of 102453040 is 40354201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 102452999 and 102453017.

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 7 ways as a sum of consecutive naturals, for example, 26001 + ... + 29680.

Almost surely, 2^102453040 is an apocalyptic number.

102453040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102453040 is an abundant number, since it is smaller than the sum of its proper divisors (146111408).

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

102453040 is a wasteful number, since it uses less digits than its factorization.

102453040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55717 (or 55711 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 102453040 is about 10121.9089108725. The cubic root of 102453040 is about 467.9236001616.

The spelling of 102453040 in words is "one hundred two million, four hundred fifty-three thousand, forty".