45548869 has 2 divisors, whose sum is σ = 45548870. Its totient is φ = 45548868.

The previous prime is 45548863. The next prime is 45548891. The reversal of 45548869 is 96884554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45400644 + 148225 = 6738^2 + 385^2 .

It is a cyclic number.

It is not a de Polignac number, because 45548869 - 2¹⁵ = 45516101 is a prime.

It is a super-2 number, since 2×45548869² = 4149398934358322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45548863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22774434 + 22774435.

It is an arithmetic number, because the mean of its divisors is an integer number (22774435).

Almost surely, 2^45548869 is an apocalyptic number.

It is an amenable number.

45548869 is a deficient number, since it is larger than the sum of its proper divisors (1).

45548869 is an equidigital number, since it uses as much as digits as its factorization.

45548869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 49.

The square root of 45548869 is about 6748.9902207664. The cubic root of 45548869 is about 357.1296152576.

The spelling of 45548869 in words is "forty-five million, five hundred forty-eight thousand, eight hundred sixty-nine".