142551016 has 8 divisors (see below), whose sum is σ = 267283170. Its totient is φ = 71275504.

The previous prime is 142551011. The next prime is 142551029. The reversal of 142551016 is 610155241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 131194116 + 11356900 = 11454^2 + 3370^2 .

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 (142551011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8909431 + ... + 8909446.

Almost surely, 2^142551016 is an apocalyptic number.

It is an amenable number.

142551016 is a deficient number, since it is larger than the sum of its proper divisors (124732154).

142551016 is a wasteful number, since it uses less digits than its factorization.

142551016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17818883 (or 17818879 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 142551016 is about 11939.4730201965. The cubic root of 142551016 is about 522.3842876170.

It can be divided in two parts, 1425 and 51016, that added together give a square (52441 = 229²).

The spelling of 142551016 in words is "one hundred forty-two million, five hundred fifty-one thousand, sixteen".