45673919 has 2 divisors, whose sum is σ = 45673920. Its totient is φ = 45673918.

The previous prime is 45673907. The next prime is 45673931. The reversal of 45673919 is 91937654.

It is a balanced prime because it is at equal distance from previous prime (45673907) and next prime (45673931).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45673919 is a prime.

It is a super-2 number, since 2×45673919² = 4172213753637122, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 45673919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45673939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22836959 + 22836960.

It is an arithmetic number, because the mean of its divisors is an integer number (22836960).

Almost surely, 2^45673919 is an apocalyptic number.

45673919 is a deficient number, since it is larger than the sum of its proper divisors (1).

45673919 is an equidigital number, since it uses as much as digits as its factorization.

45673919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 44.

The square root of 45673919 is about 6758.2482197682. The cubic root of 45673919 is about 357.4561381955.

The spelling of 45673919 in words is "forty-five million, six hundred seventy-three thousand, nine hundred nineteen".