147140243 has 8 divisors (see below), whose sum is σ = 150879888. Its totient is φ = 143436384.

The previous prime is 147140239. The next prime is 147140249. The reversal of 147140243 is 342041741.

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

It is a cyclic number.

It is not a de Polignac number, because 147140243 - 2² = 147140239 is a prime.

It is a super-2 number, since 2×147140243² = 43300502220198098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147140249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521 + ... + 17162.

It is an arithmetic number, because the mean of its divisors is an integer number (18859986).

Almost surely, 2^147140243 is an apocalyptic number.

147140243 is a deficient number, since it is larger than the sum of its proper divisors (3739645).

147140243 is a wasteful number, since it uses less digits than its factorization.

147140243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17893.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 147140243 is about 12130.1377980631. The cubic root of 147140243 is about 527.9309901295.

Adding to 147140243 its reverse (342041741), we get a palindrome (489181984).

It can be divided in two parts, 1471 and 40243, that added together give a palindrome (41714).

The spelling of 147140243 in words is "one hundred forty-seven million, one hundred forty thousand, two hundred forty-three".