2045155320 has 96 divisors (see below), whose sum is σ = 7158060000. Its totient is φ = 503421696.

The previous prime is 2045155309. The next prime is 2045155367. The reversal of 2045155320 is 235515402.

It is a happy number.

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, 213820 + ... + 223179.

It is an arithmetic number, because the mean of its divisors is an integer number (74563125).

Almost surely, 2^2045155320 is an apocalyptic number.

2045155320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045155320 is an abundant number, since it is smaller than the sum of its proper divisors (5112904680).

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

2045155320 is a wasteful number, since it uses less digits than its factorization.

2045155320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437029 (or 437022 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2045155320 is about 45223.3935038051. The cubic root of 2045155320 is about 1269.3325941279.

The spelling of 2045155320 in words is "two billion, forty-five million, one hundred fifty-five thousand, three hundred twenty".