1145501825 has 12 divisors (see below), whose sum is σ = 1529685948. Its totient is φ = 845908800.

The previous prime is 1145501783. The next prime is 1145501857. The reversal of 1145501825 is 5281055411.

It can be written as a sum of positive squares in 6 ways, for example, as 433305856 + 712195969 = 20816^2 + 26687^2 .

It is not a de Polignac number, because 1145501825 - 2⁸ = 1145501569 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1145501791 and 1145501800.

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, 1761986 + ... + 1762635.

It is an arithmetic number, because the mean of its divisors is an integer number (127473829).

Almost surely, 2^1145501825 is an apocalyptic number.

It is an amenable number.

1145501825 is a deficient number, since it is larger than the sum of its proper divisors (384184123).

1145501825 is a wasteful number, since it uses less digits than its factorization.

1145501825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524644 (or 3524639 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 1145501825 is about 33845.2629624886. The cubic root of 1145501825 is about 1046.3217708997.

The spelling of 1145501825 in words is "one billion, one hundred forty-five million, five hundred one thousand, eight hundred twenty-five".