345156556 has 12 divisors (see below), whose sum is σ = 612298792. Its totient is φ = 170214048.

The previous prime is 345156547. The next prime is 345156557. The reversal of 345156556 is 655651543.

It is a super-2 number, since 2×345156556² = 238266096299562272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345156557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590730 + ... + 591313.

Almost surely, 2^345156556 is an apocalyptic number.

It is an amenable number.

345156556 is a deficient number, since it is larger than the sum of its proper divisors (267142236).

345156556 is a wasteful number, since it uses less digits than its factorization.

345156556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182120 (or 1182118 counting only the distinct ones).

The product of its digits is 270000, while the sum is 40.

The square root of 345156556 is about 18578.3894888658. The cubic root of 345156556 is about 701.4639809916.

The spelling of 345156556 in words is "three hundred forty-five million, one hundred fifty-six thousand, five hundred fifty-six".