143450320 has 40 divisors (see below), whose sum is σ = 359180136. Its totient is φ = 52965888.

The previous prime is 143450291. The next prime is 143450341. The reversal of 143450320 is 23054341.

It can be written as a sum of positive squares in 4 ways, for example, as 12027024 + 131423296 = 3468^2 + 11464^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 143450291 and 143450300.

It is a congruent number.

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, 67927 + ... + 70006.

Almost surely, 2^143450320 is an apocalyptic number.

143450320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143450320 is an abundant number, since it is smaller than the sum of its proper divisors (215729816).

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

143450320 is a wasteful number, since it uses less digits than its factorization.

143450320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137959 (or 137953 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 143450320 is about 11977.0747680725. The cubic root of 143450320 is about 523.4804982781.

The spelling of 143450320 in words is "one hundred forty-three million, four hundred fifty thousand, three hundred twenty".