345240354 has 16 divisors (see below), whose sum is σ = 692440992. Its totient is φ = 114753408.

The previous prime is 345240341. The next prime is 345240407. The reversal of 345240354 is 453042543.

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, 79384 + ... + 83619.

It is an arithmetic number, because the mean of its divisors is an integer number (43277562).

Almost surely, 2^345240354 is an apocalyptic number.

345240354 is an abundant number, since it is smaller than the sum of its proper divisors (347200638).

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

345240354 is a wasteful number, since it uses less digits than its factorization.

345240354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163361.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 345240354 is about 18580.6446066868. The cubic root of 345240354 is about 701.5207441437.

Adding to 345240354 its reverse (453042543), we get a palindrome (798282897).

The spelling of 345240354 in words is "three hundred forty-five million, two hundred forty thousand, three hundred fifty-four".