142484643 has 32 divisors (see below), whose sum is σ = 241873920. Its totient is φ = 81207360.

The previous prime is 142484579. The next prime is 142484647. The reversal of 142484643 is 346484241.

142484643 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 8 + 4 + 643 = 666.

It is not a de Polignac number, because 142484643 - 2⁶ = 142484579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142484598 and 142484607.

It is not an unprimeable number, because it can be changed into a prime (142484647) 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 31 ways as a sum of consecutive naturals, for example, 97746 + ... + 99192.

It is an arithmetic number, because the mean of its divisors is an integer number (7558560).

Almost surely, 2^142484643 is an apocalyptic number.

142484643 is a deficient number, since it is larger than the sum of its proper divisors (99389277).

142484643 is a wasteful number, since it uses less digits than its factorization.

142484643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984 (or 1978 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 142484643 is about 11936.6931350353. The cubic root of 142484643 is about 522.3031994660.

The spelling of 142484643 in words is "one hundred forty-two million, four hundred eighty-four thousand, six hundred forty-three".