45459645551 has 4 divisors (see below), whose sum is σ = 46204885704. Its totient is φ = 44714405400.

The previous prime is 45459645541. The next prime is 45459645557. The reversal of 45459645551 is 15554695454.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45459645551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45459645493 and 45459645502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45459645557) 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 3 ways as a sum of consecutive naturals, for example, 372619985 + ... + 372620106.

It is an arithmetic number, because the mean of its divisors is an integer number (11551221426).

Almost surely, 2^45459645551 is an apocalyptic number.

45459645551 is a deficient number, since it is larger than the sum of its proper divisors (745240153).

45459645551 is an equidigital number, since it uses as much as digits as its factorization.

45459645551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745240152.

The product of its digits is 10800000, while the sum is 53.

The spelling of 45459645551 in words is "forty-five billion, four hundred fifty-nine million, six hundred forty-five thousand, five hundred fifty-one".