45444540151 has 2 divisors, whose sum is σ = 45444540152. Its totient is φ = 45444540150.

The previous prime is 45444540149. The next prime is 45444540187. The reversal of 45444540151 is 15104544454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45444540151 - 2¹ = 45444540149 is a prime.

It is a super-2 number, since 2×45444540151² (a number of 22 digits) contains 22 as substring.

Together with 45444540149, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45444540151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45444540101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722270075 + 22722270076.

It is an arithmetic number, because the mean of its divisors is an integer number (22722270076).

Almost surely, 2^45444540151 is an apocalyptic number.

45444540151 is a deficient number, since it is larger than the sum of its proper divisors (1).

45444540151 is an equidigital number, since it uses as much as digits as its factorization.

45444540151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 45444540151 in words is "forty-five billion, four hundred forty-four million, five hundred forty thousand, one hundred fifty-one".