2445458 has 4 divisors (see below), whose sum is σ = 3668190. Its totient is φ = 1222728.

The previous prime is 2445451. The next prime is 2445461. The reversal of 2445458 is 8545442.

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

It can be written as a sum of positive squares in only one way, i.e., 2093809 + 351649 = 1447^2 + 593^2 .

It is a d-powerful number, because it can be written as 2¹⁷ + 4⁶ + 4⁷ + 5⁷ + 4⁹ + 5⁹ + 8³ .

It is not an unprimeable number, because it can be changed into a prime (2445451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611363 + ... + 611366.

2^2445458 is an apocalyptic number.

2445458 is a deficient number, since it is larger than the sum of its proper divisors (1222732).

2445458 is a wasteful number, since it uses less digits than its factorization.

2445458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222731.

The product of its digits is 25600, while the sum is 32.

The square root of 2445458 is about 1563.7960225042. The cubic root of 2445458 is about 134.7266163932.

The spelling of 2445458 in words is "two million, four hundred forty-five thousand, four hundred fifty-eight".