342147456 has 128 divisors (see below), whose sum is σ = 1154150400. Its totient is φ = 97749504.

The previous prime is 342147437. The next prime is 342147461. The reversal of 342147456 is 654741243.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 342147456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17121 + ... + 31263.

It is an arithmetic number, because the mean of its divisors is an integer number (9016800).

Almost surely, 2^342147456 is an apocalyptic number.

342147456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342147456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577075200).

342147456 is an abundant number, since it is smaller than the sum of its proper divisors (812002944).

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

342147456 is a wasteful number, since it uses less digits than its factorization.

342147456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14173 (or 14155 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 342147456 is about 18497.2283329152. The cubic root of 342147456 is about 699.4195569223.

Adding to 342147456 its reverse (654741243), we get a palindrome (996888699).

The spelling of 342147456 in words is "three hundred forty-two million, one hundred forty-seven thousand, four hundred fifty-six".