145313124225 has 12 divisors (see below), whose sum is σ = 240251032176. Its totient is φ = 77500332880.

The previous prime is 145313124217. The next prime is 145313124251. The reversal of 145313124225 is 522421313541.

It is not a de Polignac number, because 145313124225 - 2³ = 145313124217 is a prime.

It is a super-2 number, since 2×145313124225² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 968754087 + ... + 968754236.

It is an arithmetic number, because the mean of its divisors is an integer number (20020919348).

Almost surely, 2^145313124225 is an apocalyptic number.

145313124225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145313124225 is a deficient number, since it is larger than the sum of its proper divisors (94937907951).

145313124225 is a wasteful number, since it uses less digits than its factorization.

145313124225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937508336 (or 1937508331 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

Adding to 145313124225 its reverse (522421313541), we get a palindrome (667734437766).

The spelling of 145313124225 in words is "one hundred forty-five billion, three hundred thirteen million, one hundred twenty-four thousand, two hundred twenty-five".