544405142 has 4 divisors (see below), whose sum is σ = 816607716. Its totient is φ = 272202570.

The previous prime is 544405117. The next prime is 544405181. The reversal of 544405142 is 241504445.

544405142 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136101284 + ... + 136101287.

It is an arithmetic number, because the mean of its divisors is an integer number (204151929).

Almost surely, 2^544405142 is an apocalyptic number.

544405142 is a deficient number, since it is larger than the sum of its proper divisors (272202574).

544405142 is a wasteful number, since it uses less digits than its factorization.

544405142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272202573.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 544405142 is about 23332.4911228956. The cubic root of 544405142 is about 816.5336232713.

Adding to 544405142 its reverse (241504445), we get a palindrome (785909587).

The spelling of 544405142 in words is "five hundred forty-four million, four hundred five thousand, one hundred forty-two".