45256321149 has 16 divisors (see below), whose sum is σ = 65103583104. Its totient is φ = 27798552000.

The previous prime is 45256321139. The next prime is 45256321193. The reversal of 45256321149 is 94112365254.

It is not a de Polignac number, because 45256321149 - 2⁴ = 45256321133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45256321149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45256321139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051377 + ... + 1093574.

It is an arithmetic number, because the mean of its divisors is an integer number (4068973944).

Almost surely, 2^45256321149 is an apocalyptic number.

It is an amenable number.

45256321149 is a deficient number, since it is larger than the sum of its proper divisors (19847261955).

45256321149 is a wasteful number, since it uses less digits than its factorization.

45256321149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145508.

The product of its digits is 259200, while the sum is 42.

The spelling of 45256321149 in words is "forty-five billion, two hundred fifty-six million, three hundred twenty-one thousand, one hundred forty-nine".