148283581 has 8 divisors (see below), whose sum is σ = 156293280. Its totient is φ = 140294448.

The previous prime is 148283563. The next prime is 148283587. The reversal of 148283581 is 185382841.

148283581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 148283581 - 2¹³ = 148275389 is a prime.

It is a super-2 number, since 2×148283581² = 43976040788367122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148283587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10995 + ... + 20431.

It is an arithmetic number, because the mean of its divisors is an integer number (19536660).

Almost surely, 2^148283581 is an apocalyptic number.

It is an amenable number.

148283581 is a deficient number, since it is larger than the sum of its proper divisors (8009699).

148283581 is an equidigital number, since it uses as much as digits as its factorization.

148283581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10283.

The product of its digits is 61440, while the sum is 40.

The square root of 148283581 is about 12177.1745901913. The cubic root of 148283581 is about 529.2948745694.

The spelling of 148283581 in words is "one hundred forty-eight million, two hundred eighty-three thousand, five hundred eighty-one".