148681241 has 4 divisors (see below), whose sum is σ = 150900432. Its totient is φ = 146462052.

The previous prime is 148681237. The next prime is 148681277. The reversal of 148681241 is 142186841.

It is a happy number.

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 148681241 - 2² = 148681237 is a prime.

It is a super-2 number, since 2×148681241² = 44212222850600162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148687241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109495 + ... + 1109628.

It is an arithmetic number, because the mean of its divisors is an integer number (37725108).

Almost surely, 2^148681241 is an apocalyptic number.

It is an amenable number.

148681241 is a deficient number, since it is larger than the sum of its proper divisors (2219191).

148681241 is an equidigital number, since it uses as much as digits as its factorization.

148681241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219190.

The product of its digits is 12288, while the sum is 35.

The square root of 148681241 is about 12193.4917476496. The cubic root of 148681241 is about 529.7675983574.

The spelling of 148681241 in words is "one hundred forty-eight million, six hundred eighty-one thousand, two hundred forty-one".