143522153 has 4 divisors (see below), whose sum is σ = 144838980. Its totient is φ = 142205328.

The previous prime is 143522123. The next prime is 143522167. The reversal of 143522153 is 351225341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 351225341 = 23 ⋅15270667.

It can be written as a sum of positive squares in 2 ways, for example, as 112296409 + 31225744 = 10597^2 + 5588^2 .

It is a cyclic number.

It is not a de Polignac number, because 143522153 - 2¹⁰ = 143521129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143522123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658250 + ... + 658467.

It is an arithmetic number, because the mean of its divisors is an integer number (36209745).

Almost surely, 2^143522153 is an apocalyptic number.

It is an amenable number.

143522153 is a deficient number, since it is larger than the sum of its proper divisors (1316827).

143522153 is a wasteful number, since it uses less digits than its factorization.

143522153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316826.

The product of its digits is 3600, while the sum is 26.

The square root of 143522153 is about 11980.0731633826. The cubic root of 143522153 is about 523.5678616240.

Adding to 143522153 its reverse (351225341), we get a palindrome (494747494).

The spelling of 143522153 in words is "one hundred forty-three million, five hundred twenty-two thousand, one hundred fifty-three".