143378464 has 24 divisors (see below), whose sum is σ = 283203648. Its totient is φ = 71453760.

The previous prime is 143378461. The next prime is 143378467. The reversal of 143378464 is 464873341.

It is an interprime number because it is at equal distance from previous prime (143378461) and next prime (143378467).

It is not an unprimeable number, because it can be changed into a prime (143378461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2749 + ... + 17155.

It is an arithmetic number, because the mean of its divisors is an integer number (11800152).

Almost surely, 2^143378464 is an apocalyptic number.

It is an amenable number.

143378464 is a deficient number, since it is larger than the sum of its proper divisors (139825184).

143378464 is a wasteful number, since it uses less digits than its factorization.

143378464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14728 (or 14720 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 143378464 is about 11974.0746615344. The cubic root of 143378464 is about 523.3930777759.

It can be divided in two parts, 14337 and 8464, that added together give a square (22801 = 151²).

The spelling of 143378464 in words is "one hundred forty-three million, three hundred seventy-eight thousand, four hundred sixty-four".