148828081 has 8 divisors (see below), whose sum is σ = 160556904. Its totient is φ = 137429760.

The previous prime is 148828079. The next prime is 148828091. The reversal of 148828081 is 180828841.

It can be written as a sum of positive squares in 4 ways, for example, as 100400400 + 48427681 = 10020^2 + 6959^2 .

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 148828081 - 2¹ = 148828079 is a prime.

It is a super-2 number, since 2×148828081² = 44299595388285122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148828061) 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, 81690 + ... + 83491.

It is an arithmetic number, because the mean of its divisors is an integer number (20069613).

Almost surely, 2^148828081 is an apocalyptic number.

It is an amenable number.

148828081 is a deficient number, since it is larger than the sum of its proper divisors (11728823).

148828081 is a wasteful number, since it uses less digits than its factorization.

148828081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165251.

The product of its (nonzero) digits is 32768, while the sum is 40.

The square root of 148828081 is about 12199.5115066137. The cubic root of 148828081 is about 529.9419433262.

The spelling of 148828081 in words is "one hundred forty-eight million, eight hundred twenty-eight thousand, eighty-one".