143120221223215 has 16 divisors (see below), whose sum is σ = 173438446499136. Its totient is φ = 113367066048000.

The previous prime is 143120221223201. The next prime is 143120221223233. The reversal of 143120221223215 is 512322122021341.

It is not a de Polignac number, because 143120221223215 - 2³⁵ = 143085861484847 is a prime.

It is a super-4 number, since 4×143120221223215⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18102136 + ... + 24777565.

It is an arithmetic number, because the mean of its divisors is an integer number (10839902906196).

Almost surely, 2^{143120221223215} is an apocalyptic number.

143120221223215 is a deficient number, since it is larger than the sum of its proper divisors (30318225275921).

143120221223215 is a wasteful number, since it uses less digits than its factorization.

143120221223215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42886290.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 143120221223215 its reverse (512322122021341), we get a palindrome (655442343244556).

The spelling of 143120221223215 in words is "one hundred forty-three trillion, one hundred twenty billion, two hundred twenty-one million, two hundred twenty-three thousand, two hundred fifteen".