45849619 has 2 divisors, whose sum is σ = 45849620. Its totient is φ = 45849618.

The previous prime is 45849539. The next prime is 45849631. The reversal of 45849619 is 91694854.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45849619 is a prime.

It is a super-2 number, since 2×45849619² = 4204375124890322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45841619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22924809 + 22924810.

It is an arithmetic number, because the mean of its divisors is an integer number (22924810).

Almost surely, 2^45849619 is an apocalyptic number.

45849619 is a deficient number, since it is larger than the sum of its proper divisors (1).

45849619 is an equidigital number, since it uses as much as digits as its factorization.

45849619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 45849619 is about 6771.2346732335. The cubic root of 45849619 is about 357.9139098881.

The spelling of 45849619 in words is "forty-five million, eight hundred forty-nine thousand, six hundred nineteen".