2145549230 has 32 divisors (see below), whose sum is σ = 4215546720. Its totient is φ = 779742720.

The previous prime is 2145549223. The next prime is 2145549239. The reversal of 2145549230 is 329455412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145549239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225122 + ... + 234458.

It is an arithmetic number, because the mean of its divisors is an integer number (131735835).

Almost surely, 2^2145549230 is an apocalyptic number.

2145549230 is a deficient number, since it is larger than the sum of its proper divisors (2069997490).

2145549230 is a wasteful number, since it uses less digits than its factorization.

2145549230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11444.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2145549230 is about 46320.0737261935. The cubic root of 2145549230 is about 1289.7716539917.

The spelling of 2145549230 in words is "two billion, one hundred forty-five million, five hundred forty-nine thousand, two hundred thirty".