45155269 has 2 divisors, whose sum is σ = 45155270. Its totient is φ = 45155268.

The previous prime is 45155239. The next prime is 45155293. The reversal of 45155269 is 96255154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37675044 + 7480225 = 6138^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 45155269 - 2⁹ = 45154757 is a prime.

It is a super-2 number, since 2×45155269² = 4077996636924722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45155239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22577634 + 22577635.

It is an arithmetic number, because the mean of its divisors is an integer number (22577635).

Almost surely, 2^45155269 is an apocalyptic number.

It is an amenable number.

45155269 is a deficient number, since it is larger than the sum of its proper divisors (1).

45155269 is an equidigital number, since it uses as much as digits as its factorization.

45155269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 37.

The square root of 45155269 is about 6719.7670346523. The cubic root of 45155269 is about 356.0979536246.

The spelling of 45155269 in words is "forty-five million, one hundred fifty-five thousand, two hundred sixty-nine".