143271253545 has 16 divisors (see below), whose sum is σ = 261981720960. Its totient is φ = 65495430144.

The previous prime is 143271253519. The next prime is 143271253561. The reversal of 143271253545 is 545352172341.

It is not a de Polignac number, because 143271253545 - 2⁷ = 143271253417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143271253497 and 143271253506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682243960 + ... + 682244169.

It is an arithmetic number, because the mean of its divisors is an integer number (16373857560).

Almost surely, 2^143271253545 is an apocalyptic number.

143271253545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143271253545 is a deficient number, since it is larger than the sum of its proper divisors (118710467415).

143271253545 is a wasteful number, since it uses less digits than its factorization.

143271253545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364488144.

The product of its digits is 504000, while the sum is 42.

The spelling of 143271253545 in words is "one hundred forty-three billion, two hundred seventy-one million, two hundred fifty-three thousand, five hundred forty-five".