45050149 has 2 divisors, whose sum is σ = 45050150. Its totient is φ = 45050148.

The previous prime is 45050143. The next prime is 45050171. The reversal of 45050149 is 94105054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28281124 + 16769025 = 5318^2 + 4095^2 .

It is a cyclic number.

It is not a de Polignac number, because 45050149 - 2⁹ = 45049637 is a prime.

It is a Chen 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 (45050143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22525074 + 22525075.

It is an arithmetic number, because the mean of its divisors is an integer number (22525075).

Almost surely, 2^45050149 is an apocalyptic number.

It is an amenable number.

45050149 is a deficient number, since it is larger than the sum of its proper divisors (1).

45050149 is an equidigital number, since it uses as much as digits as its factorization.

45050149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 45050149 is about 6711.9407774503. The cubic root of 45050149 is about 355.8214107614.

The spelling of 45050149 in words is "forty-five million, fifty thousand, one hundred forty-nine".