143214146 has 16 divisors (see below), whose sum is σ = 224437824. Its totient is φ = 68409264.

The previous prime is 143214139. The next prime is 143214157. The reversal of 143214146 is 641412341.

It is a happy number.

It is a super-2 number, since 2×143214146² = 41020583229018632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52160 + ... + 54836.

It is an arithmetic number, because the mean of its divisors is an integer number (14027364).

Almost surely, 2^143214146 is an apocalyptic number.

143214146 is a deficient number, since it is larger than the sum of its proper divisors (81223678).

143214146 is a wasteful number, since it uses less digits than its factorization.

143214146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865.

The product of its digits is 2304, while the sum is 26.

The square root of 143214146 is about 11967.2112875139. The cubic root of 143214146 is about 523.1930575482.

Adding to 143214146 its reverse (641412341), we get a palindrome (784626487).

The spelling of 143214146 in words is "one hundred forty-three million, two hundred fourteen thousand, one hundred forty-six".