180479534 has 4 divisors (see below), whose sum is σ = 270719304. Its totient is φ = 90239766.

The previous prime is 180479527. The next prime is 180479561. The reversal of 180479534 is 435974081.

180479534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 180479491 and 180479500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45119882 + ... + 45119885.

It is an arithmetic number, because the mean of its divisors is an integer number (67679826).

Almost surely, 2^180479534 is an apocalyptic number.

180479534 is a deficient number, since it is larger than the sum of its proper divisors (90239770).

180479534 is an equidigital number, since it uses as much as digits as its factorization.

180479534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90239769.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 180479534 is about 13434.2671553010. The cubic root of 180479534 is about 565.1225713660.

It can be divided in two parts, 180479 and 534, that multiplied together give a triangular number (96375786 = T₁₃₈₈₃).

The spelling of 180479534 in words is "one hundred eighty million, four hundred seventy-nine thousand, five hundred thirty-four".