142430501 has 8 divisors (see below), whose sum is σ = 146768160. Its totient is φ = 138118608.

The previous prime is 142430489. The next prime is 142430507. The reversal of 142430501 is 105034241.

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

It is a cyclic number.

It is not a de Polignac number, because 142430501 - 2¹⁰ = 142429477 is a prime.

It is a super-2 number, since 2×142430501² = 40572895230222002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142430507) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5090 + ... + 17628.

It is an arithmetic number, because the mean of its divisors is an integer number (18346020).

Almost surely, 2^142430501 is an apocalyptic number.

It is an amenable number.

142430501 is a deficient number, since it is larger than the sum of its proper divisors (4337659).

142430501 is a wasteful number, since it uses less digits than its factorization.

142430501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12883.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 142430501 is about 11934.4250385178. The cubic root of 142430501 is about 522.2370353242.

Adding to 142430501 its reverse (105034241), we get a palindrome (247464742).

The spelling of 142430501 in words is "one hundred forty-two million, four hundred thirty thousand, five hundred one".