143001142 has 4 divisors (see below), whose sum is σ = 214501716. Its totient is φ = 71500570.

The previous prime is 143001137. The next prime is 143001167. The reversal of 143001142 is 241100341.

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

It is a super-2 number, since 2×143001142² = 40898653226608328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35750284 + ... + 35750287.

It is an arithmetic number, because the mean of its divisors is an integer number (53625429).

Almost surely, 2^143001142 is an apocalyptic number.

143001142 is a deficient number, since it is larger than the sum of its proper divisors (71500574).

143001142 is an equidigital number, since it uses as much as digits as its factorization.

143001142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71500573.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 143001142 is about 11958.3084924248. The cubic root of 143001142 is about 522.9335452197.

Adding to 143001142 its reverse (241100341), we get a palindrome (384101483).

The spelling of 143001142 in words is "one hundred forty-three million, one thousand, one hundred forty-two".