142449602 has 8 divisors (see below), whose sum is σ = 213834816. Its totient is φ = 71171332.

The previous prime is 142449599. The next prime is 142449607. The reversal of 142449602 is 206944241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142449607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23318 + ... + 28785.

It is an arithmetic number, because the mean of its divisors is an integer number (26729352).

Almost surely, 2^142449602 is an apocalyptic number.

142449602 is a deficient number, since it is larger than the sum of its proper divisors (71385214).

142449602 is a wasteful number, since it uses less digits than its factorization.

142449602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53472.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 142449602 is about 11935.2252597092. The cubic root of 142449602 is about 522.2603795837.

The spelling of 142449602 in words is "one hundred forty-two million, four hundred forty-nine thousand, six hundred two".