2145475932 has 48 divisors (see below), whose sum is σ = 5147278752. Its totient is φ = 695036160.

The previous prime is 2145475909. The next prime is 2145475933. The reversal of 2145475932 is 2395745412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145475933) 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, 483082 + ... + 487502.

It is an arithmetic number, because the mean of its divisors is an integer number (107234974).

Almost surely, 2^2145475932 is an apocalyptic number.

It is an amenable number.

2145475932 is an abundant number, since it is smaller than the sum of its proper divisors (3001802820).

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

2145475932 is a wasteful number, since it uses less digits than its factorization.

2145475932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558 (or 5556 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 2145475932 is about 46319.2825073964. The cubic root of 2145475932 is about 1289.7569664146.

The spelling of 2145475932 in words is "two billion, one hundred forty-five million, four hundred seventy-five thousand, nine hundred thirty-two".