143274340 has 24 divisors (see below), whose sum is σ = 328228992. Its totient is φ = 52099680.

The previous prime is 143274331. The next prime is 143274367. The reversal of 143274340 is 43472341.

It is a junction number, because it is equal to n+sod(n) for n = 143274299 and 143274308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325404 + ... + 325843.

It is an arithmetic number, because the mean of its divisors is an integer number (13676208).

Almost surely, 2^143274340 is an apocalyptic number.

143274340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143274340 is an abundant number, since it is smaller than the sum of its proper divisors (184954652).

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

143274340 is a wasteful number, since it uses less digits than its factorization.

143274340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651267 (or 651265 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 143274340 is about 11969.7259784842. The cubic root of 143274340 is about 523.2663479610.

The spelling of 143274340 in words is "one hundred forty-three million, two hundred seventy-four thousand, three hundred forty".