38145470 has 32 divisors (see below), whose sum is σ = 75158496. Its totient is φ = 13824000.

The previous prime is 38145461. The next prime is 38145473. The reversal of 38145470 is 7454183.

38145470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38145473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63170 + ... + 63770.

It is an arithmetic number, because the mean of its divisors is an integer number (2348703).

Almost surely, 2^38145470 is an apocalyptic number.

38145470 is a deficient number, since it is larger than the sum of its proper divisors (37013026).

38145470 is a wasteful number, since it uses less digits than its factorization.

38145470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 38145470 is about 6176.2019073214. The cubic root of 38145470 is about 336.6260001638.

The spelling of 38145470 in words is "thirty-eight million, one hundred forty-five thousand, four hundred seventy".