345563442 has 32 divisors (see below), whose sum is σ = 877622400. Its totient is φ = 98732304.

The previous prime is 345563441. The next prime is 345563467. The reversal of 345563442 is 244365543.

345563442 is a `hidden beast` number, since 34 + 556 + 34 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 345563397 and 345563406.

It is not an unprimeable number, because it can be changed into a prime (345563441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456717 + ... + 457472.

It is an arithmetic number, because the mean of its divisors is an integer number (27425700).

Almost surely, 2^345563442 is an apocalyptic number.

345563442 is an abundant number, since it is smaller than the sum of its proper divisors (532058958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345563442 is a wasteful number, since it uses less digits than its factorization.

345563442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914207 (or 914201 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 345563442 is about 18589.3367821448. The cubic root of 345563442 is about 701.7395117984.

The spelling of 345563442 in words is "three hundred forty-five million, five hundred sixty-three thousand, four hundred forty-two".