45288247 has 2 divisors, whose sum is σ = 45288248. Its totient is φ = 45288246.

The previous prime is 45288239. The next prime is 45288263. The reversal of 45288247 is 74288254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45288247 - 2³ = 45288239 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 (45288277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22644123 + 22644124.

It is an arithmetic number, because the mean of its divisors is an integer number (22644124).

Almost surely, 2^45288247 is an apocalyptic number.

45288247 is a deficient number, since it is larger than the sum of its proper divisors (1).

45288247 is an equidigital number, since it uses as much as digits as its factorization.

45288247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 143360, while the sum is 40.

The square root of 45288247 is about 6729.6543001851. The cubic root of 45288247 is about 356.4471693202.

It can be divided in two parts, 452882 and 47, that added together give a square (452929 = 673²).

The spelling of 45288247 in words is "forty-five million, two hundred eighty-eight thousand, two hundred forty-seven".