45408823 has 2 divisors, whose sum is σ = 45408824. Its totient is φ = 45408822.

The previous prime is 45408773. The next prime is 45408851. The reversal of 45408823 is 32880454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45408823 is a prime.

It is a super-2 number, since 2×45408823² = 4123922412490658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45408023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22704411 + 22704412.

It is an arithmetic number, because the mean of its divisors is an integer number (22704412).

Almost surely, 2^45408823 is an apocalyptic number.

45408823 is a deficient number, since it is larger than the sum of its proper divisors (1).

45408823 is an equidigital number, since it uses as much as digits as its factorization.

45408823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 45408823 is about 6738.6069035076. The cubic root of 45408823 is about 356.7632254750.

The spelling of 45408823 in words is "forty-five million, four hundred eight thousand, eight hundred twenty-three".