345576442 has 16 divisors (see below), whose sum is σ = 550103400. Its totient is φ = 162254848.

The previous prime is 345576431. The next prime is 345576443. The reversal of 345576442 is 244675543.

It can be written as a sum of positive squares in 4 ways, for example, as 313325401 + 32251041 = 17701^2 + 5679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 345576395 and 345576404.

It is not an unprimeable number, because it can be changed into a prime (345576443) 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, 3948 + ... + 26584.

Almost surely, 2^345576442 is an apocalyptic number.

345576442 is a deficient number, since it is larger than the sum of its proper divisors (204526958).

345576442 is a wasteful number, since it uses less digits than its factorization.

345576442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23105.

The product of its digits is 403200, while the sum is 40.

The square root of 345576442 is about 18589.6864416805. The cubic root of 345576442 is about 701.7483114361.

It can be divided in two parts, 3455 and 76442, that added together give a palindrome (79897).

The spelling of 345576442 in words is "three hundred forty-five million, five hundred seventy-six thousand, four hundred forty-two".