143313053 has 4 divisors (see below), whose sum is σ = 154337148. Its totient is φ = 132288960.

The previous prime is 143313047. The next prime is 143313059. The reversal of 143313053 is 350313341.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (143313047) and next prime (143313059).

It can be written as a sum of positive squares in 2 ways, for example, as 97574884 + 45738169 = 9878^2 + 6763^2 .

It is a cyclic number.

It is not a de Polignac number, because 143313053 - 2¹⁴ = 143296669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143313059) 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, 5512028 + ... + 5512053.

It is an arithmetic number, because the mean of its divisors is an integer number (38584287).

Almost surely, 2^143313053 is an apocalyptic number.

143313053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143313053 is a deficient number, since it is larger than the sum of its proper divisors (11024095).

143313053 is a wasteful number, since it uses less digits than its factorization.

143313053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11024094.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 143313053 is about 11971.3429906590. The cubic root of 143313053 is about 523.3134729054.

Adding to 143313053 its reverse (350313341), we get a palindrome (493626394).

The spelling of 143313053 in words is "one hundred forty-three million, three hundred thirteen thousand, fifty-three".