38142530 has 8 divisors (see below), whose sum is σ = 68656572. Its totient is φ = 15257008.

The previous prime is 38142527. The next prime is 38142541. The reversal of 38142530 is 3524183.

It can be written as a sum of positive squares in 2 ways, for example, as 37319881 + 822649 = 6109^2 + 907^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 38142530.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1907117 + ... + 1907136.

Almost surely, 2^38142530 is an apocalyptic number.

38142530 is a deficient number, since it is larger than the sum of its proper divisors (30514042).

38142530 is a wasteful number, since it uses less digits than its factorization.

38142530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814260.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 38142530 is about 6175.9638923815. The cubic root of 38142530 is about 336.6173516413.

The spelling of 38142530 in words is "thirty-eight million, one hundred forty-two thousand, five hundred thirty".