1145625425 has 72 divisors (see below), whose sum is σ = 1784260800. Its totient is φ = 711970560.

The previous prime is 1145625409. The next prime is 1145625433. The reversal of 1145625425 is 5245265411.

It is not a de Polignac number, because 1145625425 - 2⁴ = 1145625409 is a prime.

It is a super-2 number, since 2×1145625425² = 2624915228812861250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10510271 + ... + 10510379.

It is an arithmetic number, because the mean of its divisors is an integer number (24781400).

Almost surely, 2^1145625425 is an apocalyptic number.

It is an amenable number.

1145625425 is a deficient number, since it is larger than the sum of its proper divisors (638635375).

1145625425 is a wasteful number, since it uses less digits than its factorization.

1145625425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 169 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 1145625425 is about 33847.0888703888. The cubic root of 1145625425 is about 1046.3594023601.

The spelling of 1145625425 in words is "one billion, one hundred forty-five million, six hundred twenty-five thousand, four hundred twenty-five".