345454240 has 48 divisors (see below), whose sum is σ = 817296480. Its totient is φ = 137985280.

The previous prime is 345454231. The next prime is 345454243. The reversal of 345454240 is 42454543.

It is not an unprimeable number, because it can be changed into a prime (345454243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173571 + ... + 175549.

It is an arithmetic number, because the mean of its divisors is an integer number (17027010).

Almost surely, 2^345454240 is an apocalyptic number.

It is an amenable number.

345454240 is an abundant number, since it is smaller than the sum of its proper divisors (471842240).

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

345454240 is a wasteful number, since it uses less digits than its factorization.

345454240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085 (or 3077 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 345454240 is about 18586.3993285413. The cubic root of 345454240 is about 701.6655847734.

The spelling of 345454240 in words is "three hundred forty-five million, four hundred fifty-four thousand, two hundred forty".