142227016 has 8 divisors (see below), whose sum is σ = 266675670. Its totient is φ = 71113504.

The previous prime is 142227013. The next prime is 142227017. The reversal of 142227016 is 610722241.

It can be written as a sum of positive squares in only one way, i.e., 73170916 + 69056100 = 8554^2 + 8310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (142227013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8889181 + ... + 8889196.

Almost surely, 2^142227016 is an apocalyptic number.

It is an amenable number.

142227016 is a deficient number, since it is larger than the sum of its proper divisors (124448654).

142227016 is a wasteful number, since it uses less digits than its factorization.

142227016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17778383 (or 17778379 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 142227016 is about 11925.8968635487. The cubic root of 142227016 is about 521.9882167792.

Adding to 142227016 its reverse (610722241), we get a palindrome (752949257).

The spelling of 142227016 in words is "one hundred forty-two million, two hundred twenty-seven thousand, sixteen".