345455446 has 16 divisors (see below), whose sum is σ = 617958144. Its totient is φ = 141615144.

The previous prime is 345455441. The next prime is 345455447. The reversal of 345455446 is 644554543.

It is a junction number, because it is equal to n+sod(n) for n = 345455399 and 345455408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345455441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536100 + ... + 536743.

It is an arithmetic number, because the mean of its divisors is an integer number (38622384).

Almost surely, 2^345455446 is an apocalyptic number.

345455446 is a deficient number, since it is larger than the sum of its proper divisors (272502698).

345455446 is a wasteful number, since it uses less digits than its factorization.

345455446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072875.

The product of its digits is 576000, while the sum is 40.

The square root of 345455446 is about 18586.4317715908. The cubic root of 345455446 is about 701.6664012903. Note that the first 3 decimals are identical.

The spelling of 345455446 in words is "three hundred forty-five million, four hundred fifty-five thousand, four hundred forty-six".