102148455 has 16 divisors (see below), whose sum is σ = 163569024. Its totient is φ = 54435360.

The previous prime is 102148447. The next prime is 102148477. The reversal of 102148455 is 554841201.

It is not a de Polignac number, because 102148455 - 2³ = 102148447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26820 + ... + 30390.

It is an arithmetic number, because the mean of its divisors is an integer number (10223064).

Almost surely, 2^102148455 is an apocalyptic number.

102148455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102148455 is a deficient number, since it is larger than the sum of its proper divisors (61420569).

102148455 is a wasteful number, since it uses less digits than its factorization.

102148455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 102148455 is about 10106.8518837470. The cubic root of 102148455 is about 467.4594396069.

Adding to 102148455 its reverse (554841201), we get a palindrome (656989656).

The spelling of 102148455 in words is "one hundred two million, one hundred forty-eight thousand, four hundred fifty-five".