142344501 has 16 divisors (see below), whose sum is σ = 205430400. Its totient is φ = 87151680.

The previous prime is 142344487. The next prime is 142344509. The reversal of 142344501 is 105443241.

It is not a de Polignac number, because 142344501 - 2¹³ = 142336309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142344509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1410 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (12839400).

Almost surely, 2^142344501 is an apocalyptic number.

It is an amenable number.

142344501 is a deficient number, since it is larger than the sum of its proper divisors (63085899).

142344501 is a wasteful number, since it uses less digits than its factorization.

142344501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18556.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 142344501 is about 11930.8214721368. The cubic root of 142344501 is about 522.1319046881.

Adding to 142344501 its reverse (105443241), we get a palindrome (247787742).

It can be divided in two parts, 142344 and 501, that added together give a triangular number (142845 = T₅₃₄).

The spelling of 142344501 in words is "one hundred forty-two million, three hundred forty-four thousand, five hundred one".