45347725 has 18 divisors (see below), whose sum is σ = 57118430. Its totient is φ = 35713920.

The previous prime is 45347717. The next prime is 45347747. The reversal of 45347725 is 52774354.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 14722569 + 30625156 = 3837^2 + 5534^2 .

It is not a de Polignac number, because 45347725 - 2³ = 45347717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 197911 + ... + 198139.

Almost surely, 2^45347725 is an apocalyptic number.

It is an amenable number.

45347725 is a deficient number, since it is larger than the sum of its proper divisors (11770705).

45347725 is an equidigital number, since it uses as much as digits as its factorization.

45347725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 323 counting only the distinct ones).

The product of its digits is 117600, while the sum is 37.

The square root of 45347725 is about 6734.0719479376. The cubic root of 45347725 is about 356.6031442273.

The spelling of 45347725 in words is "forty-five million, three hundred forty-seven thousand, seven hundred twenty-five".