142473105 has 24 divisors (see below), whose sum is σ = 247589160. Its totient is φ = 75790080.

The previous prime is 142473083. The next prime is 142473119. The reversal of 142473105 is 501374241.

It can be written as a sum of positive squares in 4 ways, for example, as 22439169 + 120033936 = 4737^2 + 10956^2 .

It is not a de Polignac number, because 142473105 - 2¹¹ = 142471057 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14535 + ... + 22275.

It is an arithmetic number, because the mean of its divisors is an integer number (10316215).

Almost surely, 2^142473105 is an apocalyptic number.

142473105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142473105 is a deficient number, since it is larger than the sum of its proper divisors (105116055).

142473105 is a wasteful number, since it uses less digits than its factorization.

142473105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8161 (or 8158 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 142473105 is about 11936.2098255686. The cubic root of 142473105 is about 522.2891008776.

It can be divided in two parts, 1424 and 73105, that added together give a square (74529 = 273²).

The spelling of 142473105 in words is "one hundred forty-two million, four hundred seventy-three thousand, one hundred five".