38423545 has 4 divisors (see below), whose sum is σ = 46108260. Its totient is φ = 30738832.

The previous prime is 38423537. The next prime is 38423551. The reversal of 38423545 is 54532483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54532483 = 839 ⋅64997.

It can be written as a sum of positive squares in 2 ways, for example, as 12981609 + 25441936 = 3603^2 + 5044^2 .

It is a cyclic number.

It is not a de Polignac number, because 38423545 - 2³ = 38423537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38423545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842350 + ... + 3842359.

It is an arithmetic number, because the mean of its divisors is an integer number (11527065).

Almost surely, 2^38423545 is an apocalyptic number.

It is an amenable number.

38423545 is a deficient number, since it is larger than the sum of its proper divisors (7684715).

38423545 is an equidigital number, since it uses as much as digits as its factorization.

38423545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684714.

The product of its digits is 57600, while the sum is 34.

The square root of 38423545 is about 6198.6728418267. The cubic root of 38423545 is about 337.4420055815.

The spelling of 38423545 in words is "thirty-eight million, four hundred twenty-three thousand, five hundred forty-five".