45825813 has 12 divisors (see below), whose sum is σ = 72210528. Its totient is φ = 27773160.

The previous prime is 45825811. The next prime is 45825817. The reversal of 45825813 is 31852854.

It is a happy number.

It is not a de Polignac number, because 45825813 - 2¹ = 45825811 is a prime.

It is a super-2 number, since 2×45825813² = 4200010274221938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45825811) 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, 231345 + ... + 231542.

It is an arithmetic number, because the mean of its divisors is an integer number (6017544).

Almost surely, 2^45825813 is an apocalyptic number.

It is an amenable number.

45825813 is a deficient number, since it is larger than the sum of its proper divisors (26384715).

45825813 is a wasteful number, since it uses less digits than its factorization.

45825813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462904 (or 462901 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 45825813 is about 6769.4765676528. The cubic root of 45825813 is about 357.8519539124.

The spelling of 45825813 in words is "forty-five million, eight hundred twenty-five thousand, eight hundred thirteen".