1245145527 has 10 divisors (see below), whose sum is σ = 1860032328. Its totient is φ = 830096964.

The previous prime is 1245145507. The next prime is 1245145553. The reversal of 1245145527 is 7255415421.

1245145527 is a `hidden beast` number, since 124 + 5 + 1 + 4 + 5 + 527 = 666.

It is not a de Polignac number, because 1245145527 - 2⁶ = 1245145463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245145491 and 1245145500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245145507) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7686003 + ... + 7686164.

Almost surely, 2^1245145527 is an apocalyptic number.

1245145527 is a deficient number, since it is larger than the sum of its proper divisors (614886801).

1245145527 is an equidigital number, since it uses as much as digits as its factorization.

1245145527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15372179 (or 15372170 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 1245145527 is about 35286.6196595820. The cubic root of 1245145527 is about 1075.8210499081.

The spelling of 1245145527 in words is "one billion, two hundred forty-five million, one hundred forty-five thousand, five hundred twenty-seven".