38155146 has 16 divisors (see below), whose sum is σ = 76384704. Its totient is φ = 12705984.

The previous prime is 38155127. The next prime is 38155153. The reversal of 38155146 is 64155183.

It is a Curzon number.

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, 5331 + ... + 10233.

It is an arithmetic number, because the mean of its divisors is an integer number (4774044).

Almost surely, 2^38155146 is an apocalyptic number.

38155146 is an abundant number, since it is smaller than the sum of its proper divisors (38229558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38155146 is a wasteful number, since it uses less digits than its factorization.

38155146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205.

The product of its digits is 14400, while the sum is 33.

The square root of 38155146 is about 6176.9851869662. The cubic root of 38155146 is about 336.6544606669.

The spelling of 38155146 in words is "thirty-eight million, one hundred fifty-five thousand, one hundred forty-six".