45450042119 has 2 divisors, whose sum is σ = 45450042120. Its totient is φ = 45450042118.

The previous prime is 45450042109. The next prime is 45450042161. The reversal of 45450042119 is 91124005454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45450042119 - 2³² = 41155074823 is a prime.

It is a super-2 number, since 2×45450042119² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45450042109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22725021059 + 22725021060.

It is an arithmetic number, because the mean of its divisors is an integer number (22725021060).

Almost surely, 2^45450042119 is an apocalyptic number.

45450042119 is a deficient number, since it is larger than the sum of its proper divisors (1).

45450042119 is an equidigital number, since it uses as much as digits as its factorization.

45450042119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 45450042119 in words is "forty-five billion, four hundred fifty million, forty-two thousand, one hundred nineteen".