2145424012 has 6 divisors (see below), whose sum is σ = 3754492028. Its totient is φ = 1072712004.

The previous prime is 2145424003. The next prime is 2145424013. The reversal of 2145424012 is 2104245412.

It is a super-2 number, since 2×2145424012² = 9205688382532352288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2145424013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268177998 + ... + 268178005.

Almost surely, 2^2145424012 is an apocalyptic number.

It is an amenable number.

2145424012 is a deficient number, since it is larger than the sum of its proper divisors (1609068016).

2145424012 is a wasteful number, since it uses less digits than its factorization.

2145424012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536356007 (or 536356005 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2145424012 is about 46318.7220462741. The cubic root of 2145424012 is about 1289.7465623948.

Adding to 2145424012 its reverse (2104245412), we get a palindrome (4249669424).

The spelling of 2145424012 in words is "two billion, one hundred forty-five million, four hundred twenty-four thousand, twelve".