2145524402 has 32 divisors (see below), whose sum is σ = 3814217472. Its totient is φ = 885950784.

The previous prime is 2145524401. The next prime is 2145524413. The reversal of 2145524402 is 2044255412.

It is not an unprimeable number, because it can be changed into a prime (2145524401) 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, 33248 + ... + 73460.

It is an arithmetic number, because the mean of its divisors is an integer number (119194296).

Almost surely, 2^2145524402 is an apocalyptic number.

2145524402 is a deficient number, since it is larger than the sum of its proper divisors (1668693070).

2145524402 is a wasteful number, since it uses less digits than its factorization.

2145524402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40362.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 2145524402 is about 46319.8057206634. The cubic root of 2145524402 is about 1289.7666789526.

Adding to 2145524402 its reverse (2044255412), we get a palindrome (4189779814).

The spelling of 2145524402 in words is "two billion, one hundred forty-five million, five hundred twenty-four thousand, four hundred two".