143042147 has 4 divisors (see below), whose sum is σ = 143172240. Its totient is φ = 142912056.

The previous prime is 143042099. The next prime is 143042161. The reversal of 143042147 is 741240341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143042147 - 2¹⁶ = 142976611 is a prime.

It is a super-2 number, since 2×143042147² = 40922111636739218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143042047) 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, 63383 + ... + 65600.

It is an arithmetic number, because the mean of its divisors is an integer number (35793060).

Almost surely, 2^143042147 is an apocalyptic number.

143042147 is a deficient number, since it is larger than the sum of its proper divisors (130093).

143042147 is a wasteful number, since it uses less digits than its factorization.

143042147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130092.

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

The square root of 143042147 is about 11960.0228678711. The cubic root of 143042147 is about 522.9835234705.

Adding to 143042147 its reverse (741240341), we get a palindrome (884282488).

The spelling of 143042147 in words is "one hundred forty-three million, forty-two thousand, one hundred forty-seven".