38454545 has 8 divisors (see below), whose sum is σ = 46322496. Its totient is φ = 30645616.

The previous prime is 38454509. The next prime is 38454557. The reversal of 38454545 is 54545483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38454545 - 2¹⁰ = 38453521 is a prime.

It is a Duffinian number.

38454545 is a modest number, since divided by 4545 gives 3845 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 38454499 and 38454508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13307 + ... + 15936.

It is an arithmetic number, because the mean of its divisors is an integer number (5790312).

Almost surely, 2^38454545 is an apocalyptic number.

It is an amenable number.

38454545 is a deficient number, since it is larger than the sum of its proper divisors (7867951).

38454545 is a wasteful number, since it uses less digits than its factorization.

38454545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29511.

The product of its digits is 192000, while the sum is 38.

The square root of 38454545 is about 6201.1728729330. The cubic root of 38454545 is about 337.5327302505.

It can be divided in two parts, 3 and 8454545, that added together give a palindrome (8454548).

The spelling of 38454545 in words is "thirty-eight million, four hundred fifty-four thousand, five hundred forty-five".