38020145 has 8 divisors (see below), whose sum is σ = 46267200. Its totient is φ = 29987440.

The previous prime is 38020111. The next prime is 38020153. The reversal of 38020145 is 54102083.

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

It is not a de Polignac number, because 38020145 - 2⁸ = 38019889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38020145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53195 + ... + 53904.

It is an arithmetic number, because the mean of its divisors is an integer number (5783400).

Almost surely, 2^38020145 is an apocalyptic number.

It is an amenable number.

38020145 is a deficient number, since it is larger than the sum of its proper divisors (8247055).

38020145 is a wasteful number, since it uses less digits than its factorization.

38020145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107175.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 38020145 is about 6166.0477617352. The cubic root of 38020145 is about 336.2569398290.

The spelling of 38020145 in words is "thirty-eight million, twenty thousand, one hundred forty-five".