143253642 has 16 divisors (see below), whose sum is σ = 327436992. Its totient is φ = 40929600.

The previous prime is 143253619. The next prime is 143253701. The reversal of 143253642 is 246352341.

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, 1705359 + ... + 1705442.

It is an arithmetic number, because the mean of its divisors is an integer number (20464812).

Almost surely, 2^143253642 is an apocalyptic number.

143253642 is an abundant number, since it is smaller than the sum of its proper divisors (184183350).

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

143253642 is a wasteful number, since it uses less digits than its factorization.

143253642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410813.

The product of its digits is 17280, while the sum is 30.

The square root of 143253642 is about 11968.8613493515. The cubic root of 143253642 is about 523.2411490118.

The spelling of 143253642 in words is "one hundred forty-three million, two hundred fifty-three thousand, six hundred forty-two".