345485378 has 16 divisors (see below), whose sum is σ = 604348800. Its totient is φ = 148064868.

The previous prime is 345485333. The next prime is 345485389. The reversal of 345485378 is 873584543.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251126 + ... + 252497.

It is an arithmetic number, because the mean of its divisors is an integer number (37771800).

Almost surely, 2^345485378 is an apocalyptic number.

345485378 is a deficient number, since it is larger than the sum of its proper divisors (258863422).

345485378 is an equidigital number, since it uses as much as digits as its factorization.

345485378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503646 (or 503632 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 47.

The square root of 345485378 is about 18587.2369651866. The cubic root of 345485378 is about 701.6866660089.

The spelling of 345485378 in words is "three hundred forty-five million, four hundred eighty-five thousand, three hundred seventy-eight".