143115 has 32 divisors (see below), whose sum is σ = 276480. Its totient is φ = 61824.

The previous prime is 143113. The next prime is 143137. The reversal of 143115 is 511341.

143115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143115 - 2¹ = 143113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 143094 and 143103.

It is not an unprimeable number, because it can be changed into a prime (143111) 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, 3022 + ... + 3068.

It is an arithmetic number, because the mean of its divisors is an integer number (8640).

2¹⁴³¹¹⁵ is an apocalyptic number.

143115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

143115 is a deficient number, since it is larger than the sum of its proper divisors (133365).

143115 is a wasteful number, since it uses less digits than its factorization.

143115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91.

The product of its digits is 60, while the sum is 15.

The square root of 143115 is about 378.3054321577. The cubic root of 143115 is about 52.3072295563.

Adding to 143115 its reverse (511341), we get a palindrome (654456).

The spelling of 143115 in words is "one hundred forty-three thousand, one hundred fifteen".