545785442 has 16 divisors (see below), whose sum is σ = 894799872. Its totient is φ = 248554560.

The previous prime is 545785397. The next prime is 545785447. The reversal of 545785442 is 244587545.

It is a junction number, because it is equal to n+sod(n) for n = 545785393 and 545785402.

It is not an unprimeable number, because it can be changed into a prime (545785447) 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, 257858 + ... + 259965.

It is an arithmetic number, because the mean of its divisors is an integer number (55924992).

Almost surely, 2^545785442 is an apocalyptic number.

545785442 is a deficient number, since it is larger than the sum of its proper divisors (349014430).

545785442 is a wasteful number, since it uses less digits than its factorization.

545785442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517873.

The product of its digits is 896000, while the sum is 44.

The square root of 545785442 is about 23362.0513226044. The cubic root of 545785442 is about 817.2231282527.

The spelling of 545785442 in words is "five hundred forty-five million, seven hundred eighty-five thousand, four hundred forty-two".