143454931272 has 48 divisors (see below), whose sum is σ = 401921149500. Its totient is φ = 46169402496.

The previous prime is 143454931271. The next prime is 143454931303. The reversal of 143454931272 is 272139454341.

143454931272 is a `hidden beast` number, since 1 + 4 + 3 + 4 + 549 + 31 + 2 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 134180085636 + 9274845636 = 366306^2 + 96306^2 .

It is not an unprimeable number, because it can be changed into a prime (143454931271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34350147 + ... + 34354322.

Almost surely, 2^143454931272 is an apocalyptic number.

143454931272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143454931272 is an abundant number, since it is smaller than the sum of its proper divisors (258466218228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143454931272 is a wasteful number, since it uses less digits than its factorization.

143454931272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68704510 (or 68704503 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 143454931272 in words is "one hundred forty-three billion, four hundred fifty-four million, nine hundred thirty-one thousand, two hundred seventy-two".