143434071 has 20 divisors (see below), whose sum is σ = 233745864. Its totient is φ = 86929200.

The previous prime is 143434051. The next prime is 143434073. The reversal of 143434071 is 170434341.

It is not a de Polignac number, because 143434071 - 2⁶ = 143434007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143434073) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79600 + ... + 81381.

Almost surely, 2^143434071 is an apocalyptic number.

143434071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

143434071 is a deficient number, since it is larger than the sum of its proper divisors (90311793).

143434071 is a wasteful number, since it uses less digits than its factorization.

143434071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161004 (or 160995 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 143434071 is about 11976.3964112750. The cubic root of 143434071 is about 523.4607321881.

The spelling of 143434071 in words is "one hundred forty-three million, four hundred thirty-four thousand, seventy-one".