45288319 has 2 divisors, whose sum is σ = 45288320. Its totient is φ = 45288318.

The previous prime is 45288317. The next prime is 45288359. The reversal of 45288319 is 91388254.

It is an a-pointer prime, because the next prime (45288359) can be obtained adding 45288319 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45288319 - 2¹ = 45288317 is a prime.

It is a super-2 number, since 2×45288319² = 4102063675691522, which contains 22 as substring.

Together with 45288317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45288317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22644159 + 22644160.

It is an arithmetic number, because the mean of its divisors is an integer number (22644160).

Almost surely, 2^45288319 is an apocalyptic number.

45288319 is a deficient number, since it is larger than the sum of its proper divisors (1).

45288319 is an equidigital number, since it uses as much as digits as its factorization.

45288319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 45288319 is about 6729.6596496405. The cubic root of 45288319 is about 356.4473582152.

The spelling of 45288319 in words is "forty-five million, two hundred eighty-eight thousand, three hundred nineteen".