2045446555 has 8 divisors (see below), whose sum is σ = 2455830432. Its totient is φ = 1635494208.

The previous prime is 2045446523. The next prime is 2045446573. The reversal of 2045446555 is 5556445402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2045446555 - 2⁵ = 2045446523 is a prime.

It is a super-2 number, since 2×2045446555² = 8367703218722736050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97359 + ... + 116488.

It is an arithmetic number, because the mean of its divisors is an integer number (306978804).

Almost surely, 2^2045446555 is an apocalyptic number.

2045446555 is a deficient number, since it is larger than the sum of its proper divisors (410383877).

2045446555 is a wasteful number, since it uses less digits than its factorization.

2045446555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215765.

The product of its (nonzero) digits is 480000, while the sum is 40.

The square root of 2045446555 is about 45226.6133487795. The cubic root of 2045446555 is about 1269.3928432654.

The spelling of 2045446555 in words is "two billion, forty-five million, four hundred forty-six thousand, five hundred fifty-five".