345555572 has 6 divisors (see below), whose sum is σ = 604722258. Its totient is φ = 172777784.

The previous prime is 345555571. The next prime is 345555593. The reversal of 345555572 is 275555543.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 342472036 + 3083536 = 18506^2 + 1756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345555571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43194443 + ... + 43194450.

It is an arithmetic number, because the mean of its divisors is an integer number (100787043).

Almost surely, 2^345555572 is an apocalyptic number.

It is an amenable number.

345555572 is a deficient number, since it is larger than the sum of its proper divisors (259166686).

345555572 is a wasteful number, since it uses less digits than its factorization.

345555572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86388897 (or 86388895 counting only the distinct ones).

The product of its digits is 525000, while the sum is 41.

The square root of 345555572 is about 18589.1251004452. The cubic root of 345555572 is about 701.7341845259.

The spelling of 345555572 in words is "three hundred forty-five million, five hundred fifty-five thousand, five hundred seventy-two".