45620225 has 36 divisors (see below), whose sum is σ = 66495744. Its totient is φ = 30955680.

The previous prime is 45620213. The next prime is 45620257. The reversal of 45620225 is 52202654.

It is not a de Polignac number, because 45620225 - 2¹⁴ = 45603841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45620194 and 45620203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 204464 + ... + 204686.

It is an arithmetic number, because the mean of its divisors is an integer number (1847104).

Almost surely, 2^45620225 is an apocalyptic number.

It is an amenable number.

45620225 is a deficient number, since it is larger than the sum of its proper divisors (20875519).

45620225 is a wasteful number, since it uses less digits than its factorization.

45620225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 45620225 is about 6754.2745724467. The cubic root of 45620225 is about 357.3160088001.

Adding to 45620225 its reverse (52202654), we get a palindrome (97822879).

The spelling of 45620225 in words is "forty-five million, six hundred twenty thousand, two hundred twenty-five".