143572069 has 8 divisors (see below), whose sum is σ = 148691160. Its totient is φ = 138464256.

The previous prime is 143572063. The next prime is 143572073. The reversal of 143572069 is 960275341.

143572069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1127844 + 142444225 = 1062^2 + 11935^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 143572069 - 2¹⁵ = 143539301 is a prime.

It is a super-2 number, since 2×143572069² = 41225877993881522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143572063) 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, 29557 + ... + 34069.

It is an arithmetic number, because the mean of its divisors is an integer number (18586395).

Almost surely, 2^143572069 is an apocalyptic number.

It is an amenable number.

143572069 is a deficient number, since it is larger than the sum of its proper divisors (5119091).

143572069 is a wasteful number, since it uses less digits than its factorization.

143572069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 143572069 is about 11982.1562750617. The cubic root of 143572069 is about 523.6285523342.

The spelling of 143572069 in words is "one hundred forty-three million, five hundred seventy-two thousand, sixty-nine".