143262472 has 8 divisors (see below), whose sum is σ = 268617150. Its totient is φ = 71631232.

The previous prime is 143262467. The next prime is 143262473. The reversal of 143262472 is 274262341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 105390756 + 37871716 = 10266^2 + 6154^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (143262473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8953897 + ... + 8953912.

Almost surely, 2^143262472 is an apocalyptic number.

It is an amenable number.

143262472 is a deficient number, since it is larger than the sum of its proper divisors (125354678).

143262472 is a wasteful number, since it uses less digits than its factorization.

143262472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17907815 (or 17907811 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 143262472 is about 11969.2302175203. The cubic root of 143262472 is about 523.2518994643.

The spelling of 143262472 in words is "one hundred forty-three million, two hundred sixty-two thousand, four hundred seventy-two".