102600045 has 24 divisors (see below), whose sum is σ = 179422776. Its totient is φ = 54233088.

The previous prime is 102600037. The next prime is 102600061. The reversal of 102600045 is 540006201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 933156 + 101666889 = 966^2 + 10083^2 .

It is not a de Polignac number, because 102600045 - 2³ = 102600037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5004 + ... + 15173.

It is an arithmetic number, because the mean of its divisors is an integer number (7475949).

Almost surely, 2^102600045 is an apocalyptic number.

102600045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102600045 is a deficient number, since it is larger than the sum of its proper divisors (76822731).

102600045 is a wasteful number, since it uses less digits than its factorization.

102600045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20301 (or 20298 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 102600045 is about 10129.1680309885. The cubic root of 102600045 is about 468.1472936549.

Adding to 102600045 its reverse (540006201), we get a palindrome (642606246).

The spelling of 102600045 in words is "one hundred two million, six hundred thousand, forty-five".