38349145 has 8 divisors (see below), whose sum is σ = 47141640. Its totient is φ = 29930880.

The previous prime is 38349137. The next prime is 38349169. The reversal of 38349145 is 54194383.

It can be written as a sum of positive squares in 4 ways, for example, as 8281 + 38340864 = 91^2 + 6192^2 .

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

It is not a de Polignac number, because 38349145 - 2³ = 38349137 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 93330 + ... + 93739.

It is an arithmetic number, because the mean of its divisors is an integer number (5892705).

Almost surely, 2^38349145 is an apocalyptic number.

It is an amenable number.

38349145 is a deficient number, since it is larger than the sum of its proper divisors (8792495).

38349145 is a wasteful number, since it uses less digits than its factorization.

38349145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187115.

The product of its digits is 51840, while the sum is 37.

The square root of 38349145 is about 6192.6686492981. The cubic root of 38349145 is about 337.2240671029.

The spelling of 38349145 in words is "thirty-eight million, three hundred forty-nine thousand, one hundred forty-five".