345112142 has 4 divisors (see below), whose sum is σ = 517668216. Its totient is φ = 172556070.

The previous prime is 345112139. The next prime is 345112169. The reversal of 345112142 is 241211543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241211543 = 4877 ⋅49459.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86278034 + ... + 86278037.

It is an arithmetic number, because the mean of its divisors is an integer number (129417054).

Almost surely, 2^345112142 is an apocalyptic number.

345112142 is a deficient number, since it is larger than the sum of its proper divisors (172556074).

345112142 is a wasteful number, since it uses less digits than its factorization.

345112142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172556073.

The product of its digits is 960, while the sum is 23.

The square root of 345112142 is about 18577.1941368981. The cubic root of 345112142 is about 701.4338920777.

Adding to 345112142 its reverse (241211543), we get a palindrome (586323685).

The spelling of 345112142 in words is "three hundred forty-five million, one hundred twelve thousand, one hundred forty-two".