38142357 has 8 divisors (see below), whose sum is σ = 55479840. Its totient is φ = 23116560.

The previous prime is 38142331. The next prime is 38142389. The reversal of 38142357 is 75324183.

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

It is not a de Polignac number, because 38142357 - 2¹¹ = 38140309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1155829 = 38142357 / (3 + 8 + 1 + 4 + 2 + 3 + 5 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38142157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577882 + ... + 577947.

It is an arithmetic number, because the mean of its divisors is an integer number (6934980).

Almost surely, 2^38142357 is an apocalyptic number.

It is an amenable number.

38142357 is a deficient number, since it is larger than the sum of its proper divisors (17337483).

38142357 is a wasteful number, since it uses less digits than its factorization.

38142357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155843.

The product of its digits is 20160, while the sum is 33.

The square root of 38142357 is about 6175.9498864547. The cubic root of 38142357 is about 336.6168427178.

The spelling of 38142357 in words is "thirty-eight million, one hundred forty-two thousand, three hundred fifty-seven".