45245131 has 2 divisors, whose sum is σ = 45245132. Its totient is φ = 45245130.

The previous prime is 45245111. The next prime is 45245141. The reversal of 45245131 is 13154254.

It is a happy number.

45245131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45245131 - 2⁷ = 45245003 is a prime.

It is a super-2 number, since 2×45245131² = 4094243758414322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45245096 and 45245105.

It is not a weakly prime, because it can be changed into another prime (45245111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22622565 + 22622566.

It is an arithmetic number, because the mean of its divisors is an integer number (22622566).

Almost surely, 2^45245131 is an apocalyptic number.

45245131 is a deficient number, since it is larger than the sum of its proper divisors (1).

45245131 is an equidigital number, since it uses as much as digits as its factorization.

45245131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 25.

The square root of 45245131 is about 6726.4501038809. The cubic root of 45245131 is about 356.3340166673.

Adding to 45245131 its reverse (13154254), we get a palindrome (58399385).

The spelling of 45245131 in words is "forty-five million, two hundred forty-five thousand, one hundred thirty-one".