1345165100 has 36 divisors (see below), whose sum is σ = 2927041824. Its totient is φ = 536585280.

The previous prime is 1345165079. The next prime is 1345165109. The reversal of 1345165100 is 15615431.

It is a self number, because there is not a number n which added to its sum of digits gives 1345165100.

It is not an unprimeable number, because it can be changed into a prime (1345165109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18374 + ... + 55026.

Almost surely, 2^1345165100 is an apocalyptic number.

1345165100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345165100 is an abundant number, since it is smaller than the sum of its proper divisors (1581876724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345165100 is a wasteful number, since it uses less digits than its factorization.

1345165100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37034 (or 37027 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1345165100 is about 36676.4924713365. The cubic root of 1345165100 is about 1103.8884695757. Note that the first 3 decimals are identical.

The spelling of 1345165100 in words is "one billion, three hundred forty-five million, one hundred sixty-five thousand, one hundred".