45450354251 has 4 divisors (see below), whose sum is σ = 45453876072. Its totient is φ = 45446832432.

The previous prime is 45450354247. The next prime is 45450354293. The reversal of 45450354251 is 15245305454.

45450354251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15245305454 = 2 ⋅7622652727.

It is a cyclic number.

It is not a de Polignac number, because 45450354251 - 2² = 45450354247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45450354221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1741481 + ... + 1767386.

It is an arithmetic number, because the mean of its divisors is an integer number (11363469018).

Almost surely, 2^45450354251 is an apocalyptic number.

45450354251 is a deficient number, since it is larger than the sum of its proper divisors (3521821).

45450354251 is a wasteful number, since it uses less digits than its factorization.

45450354251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521820.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 45450354251 in words is "forty-five billion, four hundred fifty million, three hundred fifty-four thousand, two hundred fifty-one".