143274465 has 12 divisors (see below), whose sum is σ = 248342484. Its totient is φ = 76413024.

The previous prime is 143274437. The next prime is 143274473. The reversal of 143274465 is 564472341.

It can be written as a sum of positive squares in 2 ways, for example, as 65270241 + 78004224 = 8079^2 + 8832^2 .

It is not a de Polignac number, because 143274465 - 2⁵ = 143274433 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1591894 + ... + 1591983.

It is an arithmetic number, because the mean of its divisors is an integer number (20695207).

Almost surely, 2^143274465 is an apocalyptic number.

143274465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143274465 is a deficient number, since it is larger than the sum of its proper divisors (105068019).

143274465 is a wasteful number, since it uses less digits than its factorization.

143274465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183888 (or 3183885 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 143274465 is about 11969.7311999894. The cubic root of 143274465 is about 523.2665001359.

It can be divided in two parts, 1432744 and 65, that added together give a square (1432809 = 1197²).

The spelling of 143274465 in words is "one hundred forty-three million, two hundred seventy-four thousand, four hundred sixty-five".