45742025 has 24 divisors (see below), whose sum is σ = 68239680. Its totient is φ = 29712960.

The previous prime is 45742013. The next prime is 45742031. The reversal of 45742025 is 52024754.

It is a happy number.

It is not a de Polignac number, because 45742025 - 2¹⁰ = 45741001 is a prime.

It is a super-2 number, since 2×45742025² = 4184665702201250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3554 + ... + 10203.

It is an arithmetic number, because the mean of its divisors is an integer number (2843320).

Almost surely, 2^45742025 is an apocalyptic number.

It is an amenable number.

45742025 is a deficient number, since it is larger than the sum of its proper divisors (22497655).

45742025 is a wasteful number, since it uses less digits than its factorization.

45742025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13793 (or 13788 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 45742025 is about 6763.2850745773. The cubic root of 45742025 is about 357.6337217981.

Adding to 45742025 its reverse (52024754), we get a palindrome (97766779).

The spelling of 45742025 in words is "forty-five million, seven hundred forty-two thousand, twenty-five".