180357442 has 16 divisors (see below), whose sum is σ = 286078464. Its totient is φ = 85140000.

The previous prime is 180357433. The next prime is 180357449. The reversal of 180357442 is 244753081.

It is a junction number, because it is equal to n+sod(n) for n = 180357398 and 180357407.

It is not an unprimeable number, because it can be changed into a prime (180357449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32934 + ... + 38017.

It is an arithmetic number, because the mean of its divisors is an integer number (17879904).

Almost surely, 2^180357442 is an apocalyptic number.

180357442 is a deficient number, since it is larger than the sum of its proper divisors (105721022).

180357442 is a wasteful number, since it uses less digits than its factorization.

180357442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71025.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 180357442 is about 13429.7223351788. The cubic root of 180357442 is about 564.9951099898.

The spelling of 180357442 in words is "one hundred eighty million, three hundred fifty-seven thousand, four hundred forty-two".