56102145 has 32 divisors (see below), whose sum is σ = 100324224. Its totient is φ = 26534400.

The previous prime is 56102119. The next prime is 56102171. The reversal of 56102145 is 54120165.

It is an interprime number because it is at equal distance from previous prime (56102119) and next prime (56102171).

It is not a de Polignac number, because 56102145 - 2¹⁰ = 56101121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2619 + ... + 10911.

It is an arithmetic number, because the mean of its divisors is an integer number (3135132).

Almost surely, 2^56102145 is an apocalyptic number.

56102145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56102145 is a deficient number, since it is larger than the sum of its proper divisors (44222079).

56102145 is a wasteful number, since it uses less digits than its factorization.

56102145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8353.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 56102145 is about 7490.1365141097. The cubic root of 56102145 is about 382.8187099756.

It can be divided in two parts, 56 and 102145, that added together give a palindrome (102201).

The spelling of 56102145 in words is "fifty-six million, one hundred two thousand, one hundred forty-five".