45999391 has 2 divisors, whose sum is σ = 45999392. Its totient is φ = 45999390.

The previous prime is 45999377. The next prime is 45999397. The reversal of 45999391 is 19399954.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45999391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45999397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22999695 + 22999696.

It is an arithmetic number, because the mean of its divisors is an integer number (22999696).

Almost surely, 2^45999391 is an apocalyptic number.

45999391 is a deficient number, since it is larger than the sum of its proper divisors (1).

45999391 is an equidigital number, since it uses as much as digits as its factorization.

45999391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 393660, while the sum is 49.

The square root of 45999391 is about 6782.2850869010. The cubic root of 45999391 is about 358.3032058800.

The spelling of 45999391 in words is "forty-five million, nine hundred ninety-nine thousand, three hundred ninety-one".