38145284 has 6 divisors (see below), whose sum is σ = 66754254. Its totient is φ = 19072640.

The previous prime is 38145277. The next prime is 38145301. The reversal of 38145284 is 48254183.

It can be written as a sum of positive squares in only one way, i.e., 37552384 + 592900 = 6128^2 + 770^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4768157 + ... + 4768164.

It is an arithmetic number, because the mean of its divisors is an integer number (11125709).

Almost surely, 2^38145284 is an apocalyptic number.

It is an amenable number.

38145284 is a deficient number, since it is larger than the sum of its proper divisors (28608970).

38145284 is a wasteful number, since it uses less digits than its factorization.

38145284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9536325 (or 9536323 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 38145284 is about 6176.1868495051. The cubic root of 38145284 is about 336.6254530255.

The spelling of 38145284 in words is "thirty-eight million, one hundred forty-five thousand, two hundred eighty-four".