180769542 has 16 divisors (see below), whose sum is σ = 362050560. Its totient is φ = 60171272.

The previous prime is 180769507. The next prime is 180769543. The reversal of 180769542 is 245967081.

It is a junction number, because it is equal to n+sod(n) for n = 180769494 and 180769503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180769543) 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, 16638 + ... + 25265.

It is an arithmetic number, because the mean of its divisors is an integer number (22628160).

Almost surely, 2^180769542 is an apocalyptic number.

180769542 is an abundant number, since it is smaller than the sum of its proper divisors (181281018).

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

180769542 is a wasteful number, since it uses less digits than its factorization.

180769542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42627.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 180769542 is about 13445.0564149058. The cubic root of 180769542 is about 565.4251031041.

The spelling of 180769542 in words is "one hundred eighty million, seven hundred sixty-nine thousand, five hundred forty-two".