143639034 has 64 divisors (see below), whose sum is σ = 363156480. Its totient is φ = 36789120.

The previous prime is 143639021. The next prime is 143639039. The reversal of 143639034 is 430936341.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 143638986 and 143639004.

It is not an unprimeable number, because it can be changed into a prime (143639039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31597 + ... + 35855.

It is an arithmetic number, because the mean of its divisors is an integer number (5674320).

Almost surely, 2^143639034 is an apocalyptic number.

143639034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 143639034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181578240).

143639034 is an abundant number, since it is smaller than the sum of its proper divisors (219517446).

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

143639034 is a wasteful number, since it uses less digits than its factorization.

143639034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 143639034 is about 11984.9503127881. The cubic root of 143639034 is about 523.7099500972.

It can be divided in two parts, 1436 and 39034, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 143639034 in words is "one hundred forty-three million, six hundred thirty-nine thousand, thirty-four".