143442370 has 8 divisors (see below), whose sum is σ = 258196284. Its totient is φ = 57376944.

The previous prime is 143442361. The next prime is 143442389. The reversal of 143442370 is 73244341.

It can be written as a sum of positive squares in 2 ways, for example, as 141110641 + 2331729 = 11879^2 + 1527^2 .

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

It is a super-2 number, since 2×143442370² = 41151427022433800, which contains 22 as substring.

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, 7172109 + ... + 7172128.

Almost surely, 2^143442370 is an apocalyptic number.

143442370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143442370 is a deficient number, since it is larger than the sum of its proper divisors (114753914).

143442370 is a wasteful number, since it uses less digits than its factorization.

143442370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14344244.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 143442370 is about 11976.7428794310. The cubic root of 143442370 is about 523.4708276901.

The spelling of 143442370 in words is "one hundred forty-three million, four hundred forty-two thousand, three hundred seventy".