102551455 has 32 divisors (see below), whose sum is σ = 134447040. Its totient is φ = 74833920.

The previous prime is 102551443. The next prime is 102551513. The reversal of 102551455 is 554155201.

It is not a de Polignac number, because 102551455 - 2²⁵ = 68997023 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440019 + ... + 440251.

It is an arithmetic number, because the mean of its divisors is an integer number (4201470).

Almost surely, 2^102551455 is an apocalyptic number.

102551455 is a deficient number, since it is larger than the sum of its proper divisors (31895585).

102551455 is a wasteful number, since it uses less digits than its factorization.

102551455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 102551455 is about 10126.7692281398. The cubic root of 102551455 is about 468.0733792336.

The spelling of 102551455 in words is "one hundred two million, five hundred fifty-one thousand, four hundred fifty-five".