148238461 has 16 divisors (see below), whose sum is σ = 171475200. Its totient is φ = 125527680.

The previous prime is 148238443. The next prime is 148238471. The reversal of 148238461 is 164832841.

It is a cyclic number.

It is not a de Polignac number, because 148238461 - 2⁹ = 148237949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148238461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148238471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324145 + ... + 324601.

It is an arithmetic number, because the mean of its divisors is an integer number (10717200).

Almost surely, 2^148238461 is an apocalyptic number.

It is an amenable number.

148238461 is a deficient number, since it is larger than the sum of its proper divisors (23236739).

148238461 is a wasteful number, since it uses less digits than its factorization.

148238461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its digits is 36864, while the sum is 37.

The square root of 148238461 is about 12175.3218027287. The cubic root of 148238461 is about 529.2411841849.

The spelling of 148238461 in words is "one hundred forty-eight million, two hundred thirty-eight thousand, four hundred sixty-one".