143478450 has 36 divisors (see below), whose sum is σ = 385479978. Its totient is φ = 38260800.

The previous prime is 143478431. The next prime is 143478463. The reversal of 143478450 is 54874341.

143478450 is a `hidden beast` number, since 143 + 478 + 45 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 128663649 + 14814801 = 11343^2 + 3849^2 .

It is a super-2 number, since 2×143478450² = 41172131228805000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 158971 + ... + 159870.

Almost surely, 2^143478450 is an apocalyptic number.

143478450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143478450 is an abundant number, since it is smaller than the sum of its proper divisors (242001528).

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

143478450 is a wasteful number, since it uses less digits than its factorization.

143478450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318859 (or 318851 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 143478450 is about 11978.2490373176. The cubic root of 143478450 is about 523.5147134777.

The spelling of 143478450 in words is "one hundred forty-three million, four hundred seventy-eight thousand, four hundred fifty".