2045654577 has 24 divisors (see below), whose sum is σ = 3064150440. Its totient is φ = 1313544960.

The previous prime is 2045654563. The next prime is 2045654593. The reversal of 2045654577 is 7754565402.

2045654577 is a `hidden beast` number, since 20 + 4 + 5 + 6 + 54 + 577 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 252047376 + 1793607201 = 15876^2 + 42351^2 .

It is not a de Polignac number, because 2045654577 - 2⁷ = 2045654449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2045654777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100573 + ... + 119189.

It is an arithmetic number, because the mean of its divisors is an integer number (127672935).

Almost surely, 2^2045654577 is an apocalyptic number.

It is an amenable number.

2045654577 is a deficient number, since it is larger than the sum of its proper divisors (1018495863).

2045654577 is a wasteful number, since it uses less digits than its factorization.

2045654577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19073 (or 19070 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The square root of 2045654577 is about 45228.9130645431. The cubic root of 2045654577 is about 1269.4358742417.

The spelling of 2045654577 in words is "two billion, forty-five million, six hundred fifty-four thousand, five hundred seventy-seven".