10102545 has 12 divisors (see below), whose sum is σ = 17511156. Its totient is φ = 5388000.

The previous prime is 10102537. The next prime is 10102597. The reversal of 10102545 is 54520101.

It can be written as a sum of positive squares in 2 ways, for example, as 3932289 + 6170256 = 1983^2 + 2484^2 .

It is not a de Polignac number, because 10102545 - 2³ = 10102537 is a prime.

It is a super-2 number, since 2×10102545² = 204122830954050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112206 + ... + 112295.

It is an arithmetic number, because the mean of its divisors is an integer number (1459263).

Almost surely, 2^10102545 is an apocalyptic number.

10102545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10102545 is a deficient number, since it is larger than the sum of its proper divisors (7408611).

10102545 is a wasteful number, since it uses less digits than its factorization.

10102545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224512 (or 224509 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 10102545 is about 3178.4500939924. The cubic root of 10102545 is about 216.1773877185.

Adding to 10102545 its reverse (54520101), we get a palindrome (64622646).

The spelling of 10102545 in words is "ten million, one hundred two thousand, five hundred forty-five".