2945458 has 8 divisors (see below), whose sum is σ = 4457628. Its totient is φ = 1459584.

The previous prime is 2945447. The next prime is 2945461. The reversal of 2945458 is 8545492.

It can be written as a sum of positive squares in 2 ways, for example, as 2745649 + 199809 = 1657^2 + 447^2 .

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

It is an alternating number because its digits alternate between even and odd.

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, 6291 + ... + 6742.

2^2945458 is an apocalyptic number.

2945458 is a deficient number, since it is larger than the sum of its proper divisors (1512170).

2945458 is a wasteful number, since it uses less digits than its factorization.

2945458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13148.

The product of its digits is 57600, while the sum is 37.

The square root of 2945458 is about 1716.2336670745. The cubic root of 2945458 is about 143.3455707357.

It can be divided in two parts, 2945 and 458, that added together give a triangular number (3403 = T₈₂).

The spelling of 2945458 in words is "two million, nine hundred forty-five thousand, four hundred fifty-eight".