45146554205 has 4 divisors (see below), whose sum is σ = 54175865052. Its totient is φ = 36117243360.

The previous prime is 45146554183. The next prime is 45146554223. The reversal of 45146554205 is 50245564154.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31084863481 + 14061690724 = 176309^2 + 118582^2 .

It is a de Polignac number, because none of the positive numbers 2^k-45146554205 is a prime.

It is a super-2 number, since 2×45146554205² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4514655416 + ... + 4514655425.

It is an arithmetic number, because the mean of its divisors is an integer number (13543966263).

Almost surely, 2^45146554205 is an apocalyptic number.

It is an amenable number.

45146554205 is a deficient number, since it is larger than the sum of its proper divisors (9029310847).

45146554205 is an equidigital number, since it uses as much as digits as its factorization.

45146554205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9029310846.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 45146554205 in words is "forty-five billion, one hundred forty-six million, five hundred fifty-four thousand, two hundred five".