45210149 has 2 divisors, whose sum is σ = 45210150. Its totient is φ = 45210148.

The previous prime is 45210127. The next prime is 45210161. The reversal of 45210149 is 94101254.

45210149 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 can be written as a sum of positive squares in only one way, i.e., 23522500 + 21687649 = 4850^2 + 4657^2 .

It is a cyclic number.

It is not a de Polignac number, because 45210149 - 2²⁰ = 44161573 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45210119) 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, 22605074 + 22605075.

It is an arithmetic number, because the mean of its divisors is an integer number (22605075).

Almost surely, 2^45210149 is an apocalyptic number.

It is an amenable number.

45210149 is a deficient number, since it is larger than the sum of its proper divisors (1).

45210149 is an equidigital number, since it uses as much as digits as its factorization.

45210149 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 26.

The square root of 45210149 is about 6723.8492695777. The cubic root of 45210149 is about 356.2421578657.

It can be divided in two parts, 452 and 10149, that added together give a palindrome (10601).

The spelling of 45210149 in words is "forty-five million, two hundred ten thousand, one hundred forty-nine".