45018769 has 2 divisors, whose sum is σ = 45018770. Its totient is φ = 45018768.

The previous prime is 45018731. The next prime is 45018803. The reversal of 45018769 is 96781054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25553025 + 19465744 = 5055^2 + 4412^2 .

It is a cyclic number.

It is not a de Polignac number, because 45018769 - 2⁷ = 45018641 is a prime.

It is a super-2 number, since 2×45018769² = 4053379124550722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (45018709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22509384 + 22509385.

It is an arithmetic number, because the mean of its divisors is an integer number (22509385).

Almost surely, 2^45018769 is an apocalyptic number.

It is an amenable number.

45018769 is a deficient number, since it is larger than the sum of its proper divisors (1).

45018769 is an equidigital number, since it uses as much as digits as its factorization.

45018769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 45018769 is about 6709.6027453196. The cubic root of 45018769 is about 355.7387749313.

The spelling of 45018769 in words is "forty-five million, eighteen thousand, seven hundred sixty-nine".