143450442 has 12 divisors (see below), whose sum is σ = 310809330. Its totient is φ = 47816808.

The previous prime is 143450413. The next prime is 143450497. The reversal of 143450442 is 244054341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 124344801 + 19105641 = 11151^2 + 4371^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3984717 + ... + 3984752.

Almost surely, 2^143450442 is an apocalyptic number.

143450442 is an abundant number, since it is smaller than the sum of its proper divisors (167358888).

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

143450442 is a wasteful number, since it uses less digits than its factorization.

143450442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7969477 (or 7969474 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 143450442 is about 11977.0798611348. The cubic root of 143450442 is about 523.4806466793.

The spelling of 143450442 in words is "one hundred forty-three million, four hundred fifty thousand, four hundred forty-two".