2145553032 has 32 divisors (see below), whose sum is σ = 6130152000. Its totient is φ = 613015104.

The previous prime is 2145553031. The next prime is 2145553037. The reversal of 2145553032 is 2303555412.

It is not an unprimeable number, because it can be changed into a prime (2145553031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6385407 + ... + 6385742.

It is an arithmetic number, because the mean of its divisors is an integer number (191567250).

Almost surely, 2^2145553032 is an apocalyptic number.

It is an amenable number.

2145553032 is an abundant number, since it is smaller than the sum of its proper divisors (3984598968).

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

2145553032 is a wasteful number, since it uses less digits than its factorization.

2145553032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12771165 (or 12771161 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2145553032 is about 46320.1147666972. The cubic root of 2145553032 is about 1289.7724158338.

The spelling of 2145553032 in words is "two billion, one hundred forty-five million, five hundred fifty-three thousand, thirty-two".