145040224025 has 12 divisors (see below), whose sum is σ = 180078428112. Its totient is φ = 115884727440.

The previous prime is 145040223989. The next prime is 145040224027. The reversal of 145040224025 is 520422040541.

It is not a de Polignac number, because 145040224025 - 2³⁴ = 127860354841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145040224027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3666227 + ... + 3705576.

It is an arithmetic number, because the mean of its divisors is an integer number (15006535676).

Almost surely, 2^145040224025 is an apocalyptic number.

It is an amenable number.

145040224025 is a deficient number, since it is larger than the sum of its proper divisors (35038204087).

145040224025 is an equidigital number, since it uses as much as digits as its factorization.

145040224025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7372600 (or 7372595 counting only the distinct ones).

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

Adding to 145040224025 its reverse (520422040541), we get a palindrome (665462264566).

The spelling of 145040224025 in words is "one hundred forty-five billion, forty million, two hundred twenty-four thousand, twenty-five".