143678534 has 16 divisors (see below), whose sum is σ = 218592528. Its totient is φ = 70820352.

The previous prime is 143678533. The next prime is 143678569. The reversal of 143678534 is 435876341.

It is a super-2 number, since 2×143678534² = 41287042264778312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143678491 and 143678500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143678531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53594 + ... + 56210.

It is an arithmetic number, because the mean of its divisors is an integer number (13662033).

Almost surely, 2^143678534 is an apocalyptic number.

143678534 is a deficient number, since it is larger than the sum of its proper divisors (74913994).

143678534 is a wasteful number, since it uses less digits than its factorization.

143678534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999.

The product of its digits is 241920, while the sum is 41.

The square root of 143678534 is about 11986.5980995443. The cubic root of 143678534 is about 523.7579515504.

The spelling of 143678534 in words is "one hundred forty-three million, six hundred seventy-eight thousand, five hundred thirty-four".