145204432424 has 16 divisors (see below), whose sum is σ = 272296353300. Its totient is φ = 72592071552.

The previous prime is 145204432411. The next prime is 145204432427. The reversal of 145204432424 is 424234402541.

It can be written as a sum of positive squares in 2 ways, for example, as 136700272900 + 8504159524 = 369730^2 + 92218^2 .

It is not an unprimeable number, because it can be changed into a prime (145204432427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207079 + ... + 1321910.

Almost surely, 2^145204432424 is an apocalyptic number.

It is an amenable number.

145204432424 is a deficient number, since it is larger than the sum of its proper divisors (127091920876).

145204432424 is a wasteful number, since it uses less digits than its factorization.

145204432424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536172 (or 2536168 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 145204432424 its reverse (424234402541), we get a palindrome (569438834965).

The spelling of 145204432424 in words is "one hundred forty-five billion, two hundred four million, four hundred thirty-two thousand, four hundred twenty-four".