143492946 has 16 divisors (see below), whose sum is σ = 289178208. Its totient is φ = 47465600.

The previous prime is 143492933. The next prime is 143492953. The reversal of 143492946 is 649294341.

It is a junction number, because it is equal to n+sod(n) for n = 143492898 and 143492907.

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, 90495 + ... + 92066.

It is an arithmetic number, because the mean of its divisors is an integer number (18073638).

Almost surely, 2^143492946 is an apocalyptic number.

143492946 is an abundant number, since it is smaller than the sum of its proper divisors (145685262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143492946 is a wasteful number, since it uses less digits than its factorization.

143492946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182697.

The product of its digits is 186624, while the sum is 42.

The square root of 143492946 is about 11978.8541188212. The cubic root of 143492946 is about 523.5323435672.

The spelling of 143492946 in words is "one hundred forty-three million, four hundred ninety-two thousand, nine hundred forty-six".