143450434 has 4 divisors (see below), whose sum is σ = 215175654. Its totient is φ = 71725216.

The previous prime is 143450413. The next prime is 143450497. The reversal of 143450434 is 434054341.

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., 136819809 + 6630625 = 11697^2 + 2575^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35862607 + ... + 35862610.

Almost surely, 2^143450434 is an apocalyptic number.

143450434 is a deficient number, since it is larger than the sum of its proper divisors (71725220).

143450434 is an equidigital number, since it uses as much as digits as its factorization.

143450434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71725219.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 143450434 is about 11977.0795271635. The cubic root of 143450434 is about 523.4806369481.

The spelling of 143450434 in words is "one hundred forty-three million, four hundred fifty thousand, four hundred thirty-four".