345454320 has 40 divisors (see below), whose sum is σ = 1070909136. Its totient is φ = 92121088.

The previous prime is 345454313. The next prime is 345454349. The reversal of 345454320 is 23454543.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent 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, 719457 + ... + 719936.

Almost surely, 2^345454320 is an apocalyptic number.

345454320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345454320 is an abundant number, since it is smaller than the sum of its proper divisors (725454816).

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

345454320 is a wasteful number, since it uses less digits than its factorization.

345454320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439409 (or 1439403 counting only the distinct ones).

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

The square root of 345454320 is about 18586.4014806525. The cubic root of 345454320 is about 701.6656389371.

The spelling of 345454320 in words is "three hundred forty-five million, four hundred fifty-four thousand, three hundred twenty".