45555314545 has 16 divisors (see below), whose sum is σ = 62334513360. Its totient is φ = 31661973504.

The previous prime is 45555314509. The next prime is 45555314551. The reversal of 45555314545 is 54541355554.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 39652209 + 45515662336 = 6297^2 + 213344^2 .

It is a cyclic number.

It is not a de Polignac number, because 45555314545 - 2¹⁹ = 45554790257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45555314495 and 45555314504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20612160 + ... + 20614369.

It is an arithmetic number, because the mean of its divisors is an integer number (3895907085).

Almost surely, 2^45555314545 is an apocalyptic number.

It is an amenable number.

45555314545 is a deficient number, since it is larger than the sum of its proper divisors (16779198815).

45555314545 is a wasteful number, since it uses less digits than its factorization.

45555314545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41226564.

The product of its digits is 3000000, while the sum is 46.

The spelling of 45555314545 in words is "forty-five billion, five hundred fifty-five million, three hundred fourteen thousand, five hundred forty-five".