45279023 has 2 divisors, whose sum is σ = 45279024. Its totient is φ = 45279022.

The previous prime is 45278999. The next prime is 45279029. The reversal of 45279023 is 32097254.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45279023 - 2¹⁸ = 45016879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45279029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22639511 + 22639512.

It is an arithmetic number, because the mean of its divisors is an integer number (22639512).

Almost surely, 2^45279023 is an apocalyptic number.

45279023 is a deficient number, since it is larger than the sum of its proper divisors (1).

45279023 is an equidigital number, since it uses as much as digits as its factorization.

45279023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 45279023 is about 6728.9689403355. The cubic root of 45279023 is about 356.4229681042.

The spelling of 45279023 in words is "forty-five million, two hundred seventy-nine thousand, twenty-three".