345474458 has 32 divisors (see below), whose sum is σ = 605314944. Its totient is φ = 144810432.

The previous prime is 345474457. The next prime is 345474461. The reversal of 345474458 is 854474543.

It is a happy number.

It is a super-2 number, since 2×345474458² = 238705202260787528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345474457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346016 + ... + 347012.

It is an arithmetic number, because the mean of its divisors is an integer number (18916092).

Almost surely, 2^345474458 is an apocalyptic number.

345474458 is a deficient number, since it is larger than the sum of its proper divisors (259840486).

345474458 is a wasteful number, since it uses less digits than its factorization.

345474458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526.

The product of its digits is 1075200, while the sum is 44.

The square root of 345474458 is about 18586.9432129116. The cubic root of 345474458 is about 701.6792730292.

The spelling of 345474458 in words is "three hundred forty-five million, four hundred seventy-four thousand, four hundred fifty-eight".