147321142 has 8 divisors (see below), whose sum is σ = 221539536. Its totient is φ = 73474632.

The previous prime is 147321137. The next prime is 147321157. The reversal of 147321142 is 241123741.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91978 + ... + 93565.

It is an arithmetic number, because the mean of its divisors is an integer number (27692442).

Almost surely, 2^147321142 is an apocalyptic number.

147321142 is a deficient number, since it is larger than the sum of its proper divisors (74218394).

147321142 is a wasteful number, since it uses less digits than its factorization.

147321142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185942.

The product of its digits is 1344, while the sum is 25.

The square root of 147321142 is about 12137.5921005774. The cubic root of 147321142 is about 528.1472533695.

Adding to 147321142 its reverse (241123741), we get a palindrome (388444883).

The spelling of 147321142 in words is "one hundred forty-seven million, three hundred twenty-one thousand, one hundred forty-two".