148606881 has 4 divisors (see below), whose sum is σ = 198142512. Its totient is φ = 99071252.

The previous prime is 148606879. The next prime is 148606889. The reversal of 148606881 is 188606841.

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.

It is a cyclic number.

It is not a de Polignac number, because 148606881 - 2¹ = 148606879 is a prime.

It is a super-2 number, since 2×148606881² = 44168010161096322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148606889) 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, 24767811 + ... + 24767816.

It is an arithmetic number, because the mean of its divisors is an integer number (49535628).

Almost surely, 2^148606881 is an apocalyptic number.

It is an amenable number.

148606881 is a deficient number, since it is larger than the sum of its proper divisors (49535631).

148606881 is an equidigital number, since it uses as much as digits as its factorization.

148606881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49535630.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 148606881 is about 12190.4421987063. The cubic root of 148606881 is about 529.6792660131.

The spelling of 148606881 in words is "one hundred forty-eight million, six hundred six thousand, eight hundred eighty-one".