34240142 has 12 divisors (see below), whose sum is σ = 54560040. Its totient is φ = 16112736.

The previous prime is 34240117. The next prime is 34240181. The reversal of 34240142 is 24104243.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29042 + ... + 30197.

It is an arithmetic number, because the mean of its divisors is an integer number (4546670).

Almost surely, 2^34240142 is an apocalyptic number.

34240142 is a deficient number, since it is larger than the sum of its proper divisors (20319898).

34240142 is a wasteful number, since it uses less digits than its factorization.

34240142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59275 (or 59258 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 34240142 is about 5851.5076689687. The cubic root of 34240142 is about 324.7221040662.

Adding to 34240142 its reverse (24104243), we get a palindrome (58344385).

The spelling of 34240142 in words is "thirty-four million, two hundred forty thousand, one hundred forty-two".