38810145 has 24 divisors (see below), whose sum is σ = 68257728. Its totient is φ = 18816160.

The previous prime is 38810129. The next prime is 38810147. The reversal of 38810145 is 54101883.

It is not a de Polignac number, because 38810145 - 2⁴ = 38810129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38810147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8877 + ... + 12506.

It is an arithmetic number, because the mean of its divisors is an integer number (2844072).

Almost surely, 2^38810145 is an apocalyptic number.

It is an amenable number.

38810145 is a deficient number, since it is larger than the sum of its proper divisors (29447583).

38810145 is a wasteful number, since it uses less digits than its factorization.

38810145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21413 (or 21402 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 38810145 is about 6229.7788885321. The cubic root of 38810145 is about 338.5699596562.

The spelling of 38810145 in words is "thirty-eight million, eight hundred ten thousand, one hundred forty-five".