2045654578 has 8 divisors (see below), whose sum is σ = 3347434800. Its totient is φ = 929842980.

The previous prime is 2045654563. The next prime is 2045654593. The reversal of 2045654578 is 8754565402.

It is an interprime number because it is at equal distance from previous prime (2045654563) and next prime (2045654593).

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

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, 46492128 + ... + 46492171.

It is an arithmetic number, because the mean of its divisors is an integer number (418429350).

Almost surely, 2^2045654578 is an apocalyptic number.

2045654578 is a deficient number, since it is larger than the sum of its proper divisors (1301780222).

2045654578 is a wasteful number, since it uses less digits than its factorization.

2045654578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92984312.

The product of its (nonzero) digits is 1344000, while the sum is 46.

The square root of 2045654578 is about 45228.9130755980. The cubic root of 2045654578 is about 1269.4358744485.

The spelling of 2045654578 in words is "two billion, forty-five million, six hundred fifty-four thousand, five hundred seventy-eight".