345155442 has 8 divisors (see below), whose sum is σ = 690310896. Its totient is φ = 115051812.

The previous prime is 345155407. The next prime is 345155443. The reversal of 345155442 is 244551543.

It is a sphenic number, since it is the product of 3 distinct primes.

345155442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (345155443) 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, 28762948 + ... + 28762959.

It is an arithmetic number, because the mean of its divisors is an integer number (86288862).

Almost surely, 2^345155442 is an apocalyptic number.

345155442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

345155442 is a wasteful number, since it uses less digits than its factorization.

345155442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57525912.

The product of its digits is 48000, while the sum is 33.

The square root of 345155442 is about 18578.3595077714. The cubic root of 345155442 is about 701.4632263275.

The spelling of 345155442 in words is "three hundred forty-five million, one hundred fifty-five thousand, four hundred forty-two".