142816745 has 16 divisors (see below), whose sum is σ = 183079440. Its totient is φ = 106573824.

The previous prime is 142816703. The next prime is 142816759. The reversal of 142816745 is 547618241.

It can be written as a sum of positive squares in 8 ways, for example, as 20647936 + 122168809 = 4544^2 + 11053^2 .

It is a cyclic number.

It is not a de Polignac number, because 142816745 - 2¹⁶ = 142751209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142816699 and 142816708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2171 + ... + 17039.

It is an arithmetic number, because the mean of its divisors is an integer number (11442465).

Almost surely, 2^142816745 is an apocalyptic number.

It is an amenable number.

142816745 is a deficient number, since it is larger than the sum of its proper divisors (40262695).

142816745 is a wasteful number, since it uses less digits than its factorization.

142816745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15004.

The product of its digits is 53760, while the sum is 38.

The square root of 142816745 is about 11950.5960102415. The cubic root of 142816745 is about 522.7086778927.

The spelling of 142816745 in words is "one hundred forty-two million, eight hundred sixteen thousand, seven hundred forty-five".