45400129 has 2 divisors, whose sum is σ = 45400130. Its totient is φ = 45400128.

The previous prime is 45400111. The next prime is 45400133. The reversal of 45400129 is 92100454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32092225 + 13307904 = 5665^2 + 3648^2 .

It is a cyclic number.

It is not a de Polignac number, because 45400129 - 2⁵ = 45400097 is a prime.

It is a super-2 number, since 2×45400129² = 4122343426433282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45400189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22700064 + 22700065.

It is an arithmetic number, because the mean of its divisors is an integer number (22700065).

Almost surely, 2^45400129 is an apocalyptic number.

It is an amenable number.

45400129 is a deficient number, since it is larger than the sum of its proper divisors (1).

45400129 is an equidigital number, since it uses as much as digits as its factorization.

45400129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 45400129 is about 6737.9617838038. The cubic root of 45400129 is about 356.7404553226.

The spelling of 45400129 in words is "forty-five million, four hundred thousand, one hundred twenty-nine".