45428869 has 2 divisors, whose sum is σ = 45428870. Its totient is φ = 45428868.

The previous prime is 45428863. The next prime is 45428899. The reversal of 45428869 is 96882454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45360225 + 68644 = 6735^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 45428869 - 2²⁵ = 11874437 is a prime.

It is a super-2 number, since 2×45428869² = 4127564277238322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45428863) 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, 22714434 + 22714435.

It is an arithmetic number, because the mean of its divisors is an integer number (22714435).

Almost surely, 2^45428869 is an apocalyptic number.

It is an amenable number.

45428869 is a deficient number, since it is larger than the sum of its proper divisors (1).

45428869 is an equidigital number, since it uses as much as digits as its factorization.

45428869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 46.

The square root of 45428869 is about 6740.0941388084. The cubic root of 45428869 is about 356.8157161807.

The spelling of 45428869 in words is "forty-five million, four hundred twenty-eight thousand, eight hundred sixty-nine".