148101813 has 6 divisors (see below), whose sum is σ = 213924854. Its totient is φ = 98734536.

The previous prime is 148101781. The next prime is 148101817. The reversal of 148101813 is 318101841.

148101813 is a `hidden beast` number, since 1 + 481 + 0 + 181 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109872324 + 38229489 = 10482^2 + 6183^2 .

It is not a de Polignac number, because 148101813 - 2⁵ = 148101781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148101817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8227870 + ... + 8227887.

Almost surely, 2^148101813 is an apocalyptic number.

It is an amenable number.

148101813 is a deficient number, since it is larger than the sum of its proper divisors (65823041).

148101813 is a wasteful number, since it uses less digits than its factorization.

148101813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16455763 (or 16455760 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 148101813 is about 12169.7088297132. The cubic root of 148101813 is about 529.0785138901.

The spelling of 148101813 in words is "one hundred forty-eight million, one hundred one thousand, eight hundred thirteen".