1102365645 has 16 divisors (see below), whose sum is σ = 1770818112. Its totient is φ = 585584000.

The previous prime is 1102365613. The next prime is 1102365653. The reversal of 1102365645 is 5465632011.

It is not a de Polignac number, because 1102365645 - 2⁵ = 1102365613 is a prime.

It is a super-3 number, since 3×1102365645³ (a number of 28 digits) contains 333 as substring.

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, 142632 + ... + 150161.

It is an arithmetic number, because the mean of its divisors is an integer number (110676132).

Almost surely, 2^1102365645 is an apocalyptic number.

1102365645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1102365645 is a deficient number, since it is larger than the sum of its proper divisors (668452467).

1102365645 is a wasteful number, since it uses less digits than its factorization.

1102365645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293052.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1102365645 is about 33201.8921900545. The cubic root of 1102365645 is about 1033.0195881227.

Adding to 1102365645 its reverse (5465632011), we get a palindrome (6567997656).

The spelling of 1102365645 in words is "one billion, one hundred two million, three hundred sixty-five thousand, six hundred forty-five".