38466145 has 8 divisors (see below), whose sum is σ = 46192680. Its totient is φ = 30750720.

The previous prime is 38466139. The next prime is 38466157. The reversal of 38466145 is 54166483.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 112896 + 38353249 = 336^2 + 6193^2 .

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

It is not a de Polignac number, because 38466145 - 2⁷ = 38466017 is a prime.

It is a super-2 number, since 2×38466145² = 2959288622322050, which contains 22 as substring.

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, 12015 + ... + 14875.

It is an arithmetic number, because the mean of its divisors is an integer number (5774085).

Almost surely, 2^38466145 is an apocalyptic number.

It is an amenable number.

38466145 is a deficient number, since it is larger than the sum of its proper divisors (7726535).

38466145 is a wasteful number, since it uses less digits than its factorization.

38466145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555.

The product of its digits is 69120, while the sum is 37.

The square root of 38466145 is about 6202.1081093448. The cubic root of 38466145 is about 337.5666663001.

The spelling of 38466145 in words is "thirty-eight million, four hundred sixty-six thousand, one hundred forty-five".