345777146 has 32 divisors (see below), whose sum is σ = 611791488. Its totient is φ = 144498240.

The previous prime is 345777137. The next prime is 345777209. The reversal of 345777146 is 641777543.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 345777097 and 345777106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72920 + ... + 77516.

It is an arithmetic number, because the mean of its divisors is an integer number (19118484).

Almost surely, 2^345777146 is an apocalyptic number.

345777146 is a deficient number, since it is larger than the sum of its proper divisors (266014342).

345777146 is a wasteful number, since it uses less digits than its factorization.

345777146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886.

The product of its digits is 493920, while the sum is 44.

The square root of 345777146 is about 18595.0839202193. The cubic root of 345777146 is about 701.8841390161.

The spelling of 345777146 in words is "three hundred forty-five million, seven hundred seventy-seven thousand, one hundred forty-six".