148230981 has 6 divisors (see below), whose sum is σ = 214111430. Its totient is φ = 98820648.

The previous prime is 148230967. The next prime is 148231009. The reversal of 148230981 is 189032841.

148230981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 85266756 + 62964225 = 9234^2 + 7935^2 .

It is not a de Polignac number, because 148230981 - 2¹⁴ = 148214597 is a prime.

It is a super-2 number, since 2×148230981² = 43944847456444722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148230911) 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, 8235046 + ... + 8235063.

Almost surely, 2^148230981 is an apocalyptic number.

It is an amenable number.

148230981 is a deficient number, since it is larger than the sum of its proper divisors (65880449).

148230981 is a wasteful number, since it uses less digits than its factorization.

148230981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16470115 (or 16470112 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 148230981 is about 12175.0146201144. The cubic root of 148230981 is about 529.2322823326.

The spelling of 148230981 in words is "one hundred forty-eight million, two hundred thirty thousand, nine hundred eighty-one".