3800145 has 8 divisors (see below), whose sum is σ = 6080256. Its totient is φ = 2026736.

The previous prime is 3800119. The next prime is 3800149. The reversal of 3800145 is 5410083.

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 3800145 - 2⁵ = 3800113 is a prime.

It is a super-2 number, since 2×3800145² = 28882204042050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3800149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126657 + ... + 126686.

It is an arithmetic number, because the mean of its divisors is an integer number (760032).

Almost surely, 2^3800145 is an apocalyptic number.

It is an amenable number.

3800145 is a deficient number, since it is larger than the sum of its proper divisors (2280111).

3800145 is a wasteful number, since it uses less digits than its factorization.

3800145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253351.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 3800145 is about 1949.3960603223. The cubic root of 3800145 is about 156.0510598803.

The spelling of 3800145 in words is "three million, eight hundred thousand, one hundred forty-five".