45945253 has 2 divisors, whose sum is σ = 45945254. Its totient is φ = 45945252.

The previous prime is 45945239. The next prime is 45945293. The reversal of 45945253 is 35254954.

45945253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45941284 + 3969 = 6778^2 + 63^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45945253 is a prime.

It is a super-2 number, since 2×45945253² = 4221932546468018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45945233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22972626 + 22972627.

It is an arithmetic number, because the mean of its divisors is an integer number (22972627).

Almost surely, 2^45945253 is an apocalyptic number.

It is an amenable number.

45945253 is a deficient number, since it is larger than the sum of its proper divisors (1).

45945253 is an equidigital number, since it uses as much as digits as its factorization.

45945253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 37.

The square root of 45945253 is about 6778.2927791591. The cubic root of 45945253 is about 358.1625849322.

The spelling of 45945253 in words is "forty-five million, nine hundred forty-five thousand, two hundred fifty-three".