148704881 has 4 divisors (see below), whose sum is σ = 160143732. Its totient is φ = 137266032.

The previous prime is 148704877. The next prime is 148704883. The reversal of 148704881 is 188407841.

148704881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17808400 + 130896481 = 4220^2 + 11441^2 .

It is a cyclic number.

It is not a de Polignac number, because 148704881 - 2² = 148704877 is a prime.

It is a super-2 number, since 2×148704881² = 44226283266448322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148704883) 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, 5719406 + ... + 5719431.

It is an arithmetic number, because the mean of its divisors is an integer number (40035933).

Almost surely, 2^148704881 is an apocalyptic number.

It is an amenable number.

148704881 is a deficient number, since it is larger than the sum of its proper divisors (11438851).

148704881 is a wasteful number, since it uses less digits than its factorization.

148704881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11438850.

The product of its (nonzero) digits is 57344, while the sum is 41.

The square root of 148704881 is about 12194.4610787029. The cubic root of 148704881 is about 529.7956741753.

The spelling of 148704881 in words is "one hundred forty-eight million, seven hundred four thousand, eight hundred eighty-one".