142146734 has 8 divisors (see below), whose sum is σ = 218178840. Its totient is φ = 69420456.

The previous prime is 142146727. The next prime is 142146737. The reversal of 142146734 is 437641241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142146734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142146737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826349 + ... + 826520.

It is an arithmetic number, because the mean of its divisors is an integer number (27272355).

Almost surely, 2^142146734 is an apocalyptic number.

142146734 is a deficient number, since it is larger than the sum of its proper divisors (76032106).

142146734 is a wasteful number, since it uses less digits than its factorization.

142146734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652914.

The product of its digits is 16128, while the sum is 32.

The square root of 142146734 is about 11922.5305199861. The cubic root of 142146734 is about 521.8899838121.

Adding to 142146734 its reverse (437641241), we get a palindrome (579787975).

The spelling of 142146734 in words is "one hundred forty-two million, one hundred forty-six thousand, seven hundred thirty-four".