2145230152 has 32 divisors (see below), whose sum is σ = 4365849600. Its totient is φ = 982304064.

The previous prime is 2145230111. The next prime is 2145230159. The reversal of 2145230152 is 2510325412.

It is not an unprimeable number, because it can be changed into a prime (2145230159) 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, 68002 + ... + 94417.

It is an arithmetic number, because the mean of its divisors is an integer number (136432800).

Almost surely, 2^2145230152 is an apocalyptic number.

It is an amenable number.

2145230152 is an abundant number, since it is smaller than the sum of its proper divisors (2220619448).

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

2145230152 is a wasteful number, since it uses less digits than its factorization.

2145230152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162565 (or 162561 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2145230152 is about 46316.6293246821. The cubic root of 2145230152 is about 1289.7077141612.

Adding to 2145230152 its reverse (2510325412), we get a palindrome (4655555564).

The spelling of 2145230152 in words is "two billion, one hundred forty-five million, two hundred thirty thousand, one hundred fifty-two".