143102201 has 4 divisors (see below), whose sum is σ = 156111504. Its totient is φ = 130092900.

The previous prime is 143102189. The next prime is 143102207. The reversal of 143102201 is 102201341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102201341 = 11 ⋅9291031.

It is a cyclic number.

It is not a de Polignac number, because 143102201 - 2²² = 138907897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (143102207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6504635 + ... + 6504656.

It is an arithmetic number, because the mean of its divisors is an integer number (39027876).

Almost surely, 2^143102201 is an apocalyptic number.

143102201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143102201 is a deficient number, since it is larger than the sum of its proper divisors (13009303).

143102201 is a wasteful number, since it uses less digits than its factorization.

143102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13009302.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 143102201 is about 11962.5332183447. The cubic root of 143102201 is about 523.0567020380.

Adding to 143102201 its reverse (102201341), we get a palindrome (245303542).

The spelling of 143102201 in words is "one hundred forty-three million, one hundred two thousand, two hundred one".