45454925 has 12 divisors (see below), whose sum is σ = 56452116. Its totient is φ = 36307200.

The previous prime is 45454921. The next prime is 45454933. The reversal of 45454925 is 52945454.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2866249 + 42588676 = 1693^2 + 6526^2 .

It is not a de Polignac number, because 45454925 - 2² = 45454921 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45454921) 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, 23495 + ... + 25355.

It is an arithmetic number, because the mean of its divisors is an integer number (4704343).

Almost surely, 2^45454925 is an apocalyptic number.

It is an amenable number.

45454925 is a deficient number, since it is larger than the sum of its proper divisors (10997191).

45454925 is a wasteful number, since it uses less digits than its factorization.

45454925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848 (or 2843 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The square root of 45454925 is about 6742.0267724179. The cubic root of 45454925 is about 356.8839210732.

The spelling of 45454925 in words is "forty-five million, four hundred fifty-four thousand, nine hundred twenty-five".