45214725 has 24 divisors (see below), whose sum is σ = 75988192. Its totient is φ = 23716800.

The previous prime is 45214723. The next prime is 45214751. The reversal of 45214725 is 52741254.

It is not a de Polignac number, because 45214725 - 2¹ = 45214723 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45214692 and 45214701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45214721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367 + ... + 9516.

Almost surely, 2^45214725 is an apocalyptic number.

It is an amenable number.

45214725 is a deficient number, since it is larger than the sum of its proper divisors (30773467).

45214725 is a wasteful number, since it uses less digits than its factorization.

45214725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9957 (or 9952 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 45214725 is about 6724.1895422422. The cubic root of 45214725 is about 356.2541766208.

Adding to 45214725 its reverse (52741254), we get a palindrome (97955979).

The spelling of 45214725 in words is "forty-five million, two hundred fourteen thousand, seven hundred twenty-five".