143069842 has 4 divisors (see below), whose sum is σ = 214604766. Its totient is φ = 71534920.

The previous prime is 143069831. The next prime is 143069863. The reversal of 143069842 is 248960341.

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

It can be written as a sum of positive squares in only one way, i.e., 135280161 + 7789681 = 11631^2 + 2791^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35767459 + ... + 35767462.

Almost surely, 2^143069842 is an apocalyptic number.

143069842 is a deficient number, since it is larger than the sum of its proper divisors (71534924).

143069842 is an equidigital number, since it uses as much as digits as its factorization.

143069842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71534923.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 143069842 is about 11961.1806273461. The cubic root of 143069842 is about 523.0172736490.

The spelling of 143069842 in words is "one hundred forty-three million, sixty-nine thousand, eight hundred forty-two".