774485142 has 16 divisors (see below), whose sum is σ = 1554260400. Its totient is φ = 257280032.

The previous prime is 774485123. The next prime is 774485149. The reversal of 774485142 is 241584477.

774485142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 774485094 and 774485103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774485149) 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, 218517 + ... + 222032.

It is an arithmetic number, because the mean of its divisors is an integer number (97141275).

Almost surely, 2^774485142 is an apocalyptic number.

774485142 is an abundant number, since it is smaller than the sum of its proper divisors (779775258).

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

774485142 is a wasteful number, since it uses less digits than its factorization.

774485142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440847.

The product of its digits is 250880, while the sum is 42.

The square root of 774485142 is about 27829.5731551887. The cubic root of 774485142 is about 918.3418233308.

The spelling of 774485142 in words is "seven hundred seventy-four million, four hundred eighty-five thousand, one hundred forty-two".