38055945 has 16 divisors (see below), whose sum is σ = 64471680. Its totient is φ = 19102464.

The previous prime is 38055923. The next prime is 38055949. The reversal of 38055945 is 54955083.

It is not a de Polignac number, because 38055945 - 2⁶ = 38055881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38055949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74365 + ... + 74874.

It is an arithmetic number, because the mean of its divisors is an integer number (4029480).

Almost surely, 2^38055945 is an apocalyptic number.

It is an amenable number.

38055945 is a deficient number, since it is larger than the sum of its proper divisors (26415735).

38055945 is a wasteful number, since it uses less digits than its factorization.

38055945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149264.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 38055945 is about 6168.9500727433. The cubic root of 38055945 is about 336.3624472477.

The spelling of 38055945 in words is "thirty-eight million, fifty-five thousand, nine hundred forty-five".