142344746 has 32 divisors (see below), whose sum is σ = 231717888. Its totient is φ = 65387520.

The previous prime is 142344739. The next prime is 142344767. The reversal of 142344746 is 647443241.

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, 246410 + ... + 246986.

It is an arithmetic number, because the mean of its divisors is an integer number (7241184).

Almost surely, 2^142344746 is an apocalyptic number.

142344746 is a deficient number, since it is larger than the sum of its proper divisors (89373142).

142344746 is a wasteful number, since it uses less digits than its factorization.

142344746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806.

The product of its digits is 64512, while the sum is 35.

The square root of 142344746 is about 11930.8317396567. The cubic root of 142344746 is about 522.1322042483.

Adding to 142344746 its reverse (647443241), we get a palindrome (789787987).

The spelling of 142344746 in words is "one hundred forty-two million, three hundred forty-four thousand, seven hundred forty-six".