345828542 has 4 divisors (see below), whose sum is σ = 518742816. Its totient is φ = 172914270.

The previous prime is 345828541. The next prime is 345828589. The reversal of 345828542 is 245828543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245828543 = 31 ⋅7929953.

It is a self number, because there is not a number n which added to its sum of digits gives 345828542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345828541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86457134 + ... + 86457137.

It is an arithmetic number, because the mean of its divisors is an integer number (129685704).

Almost surely, 2^345828542 is an apocalyptic number.

345828542 is a deficient number, since it is larger than the sum of its proper divisors (172914274).

345828542 is a wasteful number, since it uses less digits than its factorization.

345828542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172914273.

The product of its digits is 307200, while the sum is 41.

The square root of 345828542 is about 18596.4658470366. The cubic root of 345828542 is about 701.9189130996.

Subtracting from 345828542 its reverse (245828543), we obtain a palindrome (99999999).

The spelling of 345828542 in words is "three hundred forty-five million, eight hundred twenty-eight thousand, five hundred forty-two".