2145545130 has 32 divisors (see below), whose sum is σ = 5157514368. Its totient is φ = 571233600.

The previous prime is 2145545111. The next prime is 2145545167. The reversal of 2145545130 is 315455412.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 37741 + ... + 75600.

It is an arithmetic number, because the mean of its divisors is an integer number (161172324).

Almost surely, 2^2145545130 is an apocalyptic number.

2145545130 is an abundant number, since it is smaller than the sum of its proper divisors (3011969238).

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

2145545130 is a wasteful number, since it uses less digits than its factorization.

2145545130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113982.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2145545130 is about 46320.0294689025. The cubic root of 2145545130 is about 1289.7708324356.

The spelling of 2145545130 in words is "two billion, one hundred forty-five million, five hundred forty-five thousand, one hundred thirty".