102545455 has 8 divisors (see below), whose sum is σ = 123428304. Its totient is φ = 81787200.

The previous prime is 102545449. The next prime is 102545473. The reversal of 102545455 is 554545201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102545455 - 2⁵ = 102545423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29326 + ... + 32635.

It is an arithmetic number, because the mean of its divisors is an integer number (15428538).

Almost surely, 2^102545455 is an apocalyptic number.

102545455 is a deficient number, since it is larger than the sum of its proper divisors (20882849).

102545455 is an equidigital number, since it uses as much as digits as its factorization.

102545455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62297.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 102545455 is about 10126.4729792757. The cubic root of 102545455 is about 468.0642504989.

The spelling of 102545455 in words is "one hundred two million, five hundred forty-five thousand, four hundred fifty-five".