148830081 has 4 divisors (see below), whose sum is σ = 198440112. Its totient is φ = 99220052.

The previous prime is 148830061. The next prime is 148830089. The reversal of 148830081 is 180038841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180038841 = 3 ⋅60012947.

It is a cyclic number.

It is not a de Polignac number, because 148830081 - 2⁵ = 148830049 is a prime.

It is a super-2 number, since 2×148830081² = 44300786020933122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148830089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24805011 + ... + 24805016.

It is an arithmetic number, because the mean of its divisors is an integer number (49610028).

Almost surely, 2^148830081 is an apocalyptic number.

It is an amenable number.

148830081 is a deficient number, since it is larger than the sum of its proper divisors (49610031).

148830081 is an equidigital number, since it uses as much as digits as its factorization.

148830081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49610030.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 148830081 is about 12199.5934768336. The cubic root of 148830081 is about 529.9443171594.

The spelling of 148830081 in words is "one hundred forty-eight million, eight hundred thirty thousand, eighty-one".