45471149 has 2 divisors, whose sum is σ = 45471150. Its totient is φ = 45471148.

The previous prime is 45471119. The next prime is 45471163. The reversal of 45471149 is 94117454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37908649 + 7562500 = 6157^2 + 2750^2 .

It is a cyclic number.

It is not a de Polignac number, because 45471149 - 2¹² = 45467053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45471119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22735574 + 22735575.

It is an arithmetic number, because the mean of its divisors is an integer number (22735575).

Almost surely, 2^45471149 is an apocalyptic number.

It is an amenable number.

45471149 is a deficient number, since it is larger than the sum of its proper divisors (1).

45471149 is an equidigital number, since it uses as much as digits as its factorization.

45471149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 45471149 is about 6743.2298640933. The cubic root of 45471149 is about 356.9263762893.

The spelling of 45471149 in words is "forty-five million, four hundred seventy-one thousand, one hundred forty-nine".