142720514 has 8 divisors (see below), whose sum is σ = 225348240. Its totient is φ = 67604436.

The previous prime is 142720481. The next prime is 142720517. The reversal of 142720514 is 415027241.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142720517) 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, 1877864 + ... + 1877939.

It is an arithmetic number, because the mean of its divisors is an integer number (28168530).

Almost surely, 2^142720514 is an apocalyptic number.

142720514 is a deficient number, since it is larger than the sum of its proper divisors (82627726).

142720514 is a wasteful number, since it uses less digits than its factorization.

142720514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755824.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 142720514 is about 11946.5691309263. The cubic root of 142720514 is about 522.5912498309.

Adding to 142720514 its reverse (415027241), we get a palindrome (557747755).

The spelling of 142720514 in words is "one hundred forty-two million, seven hundred twenty thousand, five hundred fourteen".