45450455051 has 4 divisors (see below), whose sum is σ = 45605576352. Its totient is φ = 45295333752.

The previous prime is 45450455021. The next prime is 45450455081. The reversal of 45450455051 is 15055405454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15055405454 = 2 ⋅7527702727.

It is an interprime number because it is at equal distance from previous prime (45450455021) and next prime (45450455081).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45450455051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45450454996 and 45450455014.

It is not an unprimeable number, because it can be changed into a prime (45450455021) 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, 77560211 + ... + 77560796.

It is an arithmetic number, because the mean of its divisors is an integer number (11401394088).

Almost surely, 2^45450455051 is an apocalyptic number.

45450455051 is a deficient number, since it is larger than the sum of its proper divisors (155121301).

45450455051 is a wasteful number, since it uses less digits than its factorization.

45450455051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155121300.

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 45450455051 in words is "forty-five billion, four hundred fifty million, four hundred fifty-five thousand, fifty-one".