45725129 has 2 divisors, whose sum is σ = 45725130. Its totient is φ = 45725128.

The previous prime is 45725089. The next prime is 45725143. The reversal of 45725129 is 92152754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34199104 + 11526025 = 5848^2 + 3395^2 .

It is a cyclic number.

It is not a de Polignac number, because 45725129 - 2⁸ = 45724873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45721129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22862564 + 22862565.

It is an arithmetic number, because the mean of its divisors is an integer number (22862565).

Almost surely, 2^45725129 is an apocalyptic number.

It is an amenable number.

45725129 is a deficient number, since it is larger than the sum of its proper divisors (1).

45725129 is an equidigital number, since it uses as much as digits as its factorization.

45725129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 45725129 is about 6762.0358620759. The cubic root of 45725129 is about 357.5896826203.

It can be divided in two parts, 45725 and 129, that added together give a palindrome (45854).

The spelling of 45725129 in words is "forty-five million, seven hundred twenty-five thousand, one hundred twenty-nine".