143245642 has 8 divisors (see below), whose sum is σ = 219865536. Its totient is φ = 69957132.

The previous prime is 143245603. The next prime is 143245657. The reversal of 143245642 is 246542341.

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

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, 832738 + ... + 832909.

It is an arithmetic number, because the mean of its divisors is an integer number (27483192).

Almost surely, 2^143245642 is an apocalyptic number.

143245642 is a deficient number, since it is larger than the sum of its proper divisors (76619894).

143245642 is a wasteful number, since it uses less digits than its factorization.

143245642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665692.

The product of its digits is 23040, while the sum is 31.

The square root of 143245642 is about 11968.5271441393. The cubic root of 143245642 is about 523.2314086961.

Adding to 143245642 its reverse (246542341), we get a palindrome (389787983).

It can be divided in two parts, 1432 and 45642, that added together give a palindrome (47074).

The spelling of 143245642 in words is "one hundred forty-three million, two hundred forty-five thousand, six hundred forty-two".