142745637 has 8 divisors (see below), whose sum is σ = 192074080. Its totient is φ = 94290480.

The previous prime is 142745621. The next prime is 142745663. The reversal of 142745637 is 736547241.

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

It is not a de Polignac number, because 142745637 - 2⁴ = 142745621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142745595 and 142745604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142745677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217939 + ... + 218592.

It is an arithmetic number, because the mean of its divisors is an integer number (24009260).

Almost surely, 2^142745637 is an apocalyptic number.

It is an amenable number.

142745637 is a deficient number, since it is larger than the sum of its proper divisors (49328443).

142745637 is a wasteful number, since it uses less digits than its factorization.

142745637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436643.

The product of its digits is 141120, while the sum is 39.

The square root of 142745637 is about 11947.6205580860. The cubic root of 142745637 is about 522.6219118320.

The spelling of 142745637 in words is "one hundred forty-two million, seven hundred forty-five thousand, six hundred thirty-seven".