445115149 has 2 divisors, whose sum is σ = 445115150. Its totient is φ = 445115148.

The previous prime is 445115129. The next prime is 445115161. The reversal of 445115149 is 941511544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317018025 + 128097124 = 17805^2 + 11318^2 .

It is a cyclic number.

It is not a de Polignac number, because 445115149 - 2¹¹ = 445113101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445115129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222557574 + 222557575.

It is an arithmetic number, because the mean of its divisors is an integer number (222557575).

Almost surely, 2^445115149 is an apocalyptic number.

It is an amenable number.

445115149 is a deficient number, since it is larger than the sum of its proper divisors (1).

445115149 is an equidigital number, since it uses as much as digits as its factorization.

445115149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 34.

The square root of 445115149 is about 21097.7522262444. The cubic root of 445115149 is about 763.5265179554.

It can be divided in two parts, 4451 and 15149, that added together give a square (19600 = 140²).

The spelling of 445115149 in words is "four hundred forty-five million, one hundred fifteen thousand, one hundred forty-nine".