45673861 has 2 divisors, whose sum is σ = 45673862. Its totient is φ = 45673860.

The previous prime is 45673843. The next prime is 45673867. The reversal of 45673861 is 16837654.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29920900 + 15752961 = 5470^2 + 3969^2 .

It is a cyclic number.

It is not a de Polignac number, because 45673861 - 2⁵ = 45673829 is a prime.

It is a super-2 number, since 2×45673861² = 4172203157294642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45673867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22836930 + 22836931.

It is an arithmetic number, because the mean of its divisors is an integer number (22836931).

Almost surely, 2^45673861 is an apocalyptic number.

It is an amenable number.

45673861 is a deficient number, since it is larger than the sum of its proper divisors (1).

45673861 is an equidigital number, since it uses as much as digits as its factorization.

45673861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 45673861 is about 6758.2439287140. The cubic root of 45673861 is about 357.4559868877.

The spelling of 45673861 in words is "forty-five million, six hundred seventy-three thousand, eight hundred sixty-one".