182143540 has 12 divisors (see below), whose sum is σ = 382501476. Its totient is φ = 72857408.

The previous prime is 182143531. The next prime is 182143567. The reversal of 182143540 is 45341281.

182143540 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 123743376 + 58400164 = 11124^2 + 7642^2 .

It is a junction number, because it is equal to n+sod(n) for n = 182143499 and 182143508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4553569 + ... + 4553608.

It is an arithmetic number, because the mean of its divisors is an integer number (31875123).

Almost surely, 2^182143540 is an apocalyptic number.

182143540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182143540 is an abundant number, since it is smaller than the sum of its proper divisors (200357936).

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

182143540 is a wasteful number, since it uses less digits than its factorization.

182143540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107186 (or 9107184 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 182143540 is about 13496.0564610556. The cubic root of 182143540 is about 566.8540549048.

It can be divided in two parts, 18 and 2143540, that multiplied together give a triangular number (38583720 = T₈₇₈₄).

The spelling of 182143540 in words is "one hundred eighty-two million, one hundred forty-three thousand, five hundred forty".