2015145200 has 30 divisors (see below), whose sum is σ = 4841387304. Its totient is φ = 806057920.

The previous prime is 2015145199. The next prime is 2015145211. The reversal of 2015145200 is 25415102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2518532 + ... + 2519331.

Almost surely, 2^2015145200 is an apocalyptic number.

2015145200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015145200 is an abundant number, since it is smaller than the sum of its proper divisors (2826242104).

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

2015145200 is a wasteful number, since it uses less digits than its factorization.

2015145200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037881 (or 5037870 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2015145200 is about 44890.3686774791. The cubic root of 2015145200 is about 1263.0933485171.

The spelling of 2015145200 in words is "two billion, fifteen million, one hundred forty-five thousand, two hundred".