102452553 has 32 divisors (see below), whose sum is σ = 173957120. Its totient is φ = 58378320.

The previous prime is 102452543. The next prime is 102452561. The reversal of 102452553 is 355254201.

It is a happy number.

102452553 is a `hidden beast` number, since 102 + 4 + 5 + 2 + 553 = 666.

It is not a de Polignac number, because 102452553 - 2⁵ = 102452521 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102452513) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 102888 + ... + 103878.

It is an arithmetic number, because the mean of its divisors is an integer number (5436160).

Almost surely, 2^102452553 is an apocalyptic number.

It is an amenable number.

102452553 is a deficient number, since it is larger than the sum of its proper divisors (71504567).

102452553 is an equidigital number, since it uses as much as digits as its factorization.

102452553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 102452553 is about 10121.8848541168. The cubic root of 102452553 is about 467.9228587515.

The spelling of 102452553 in words is "one hundred two million, four hundred fifty-two thousand, five hundred fifty-three".