148878241 has 4 divisors (see below), whose sum is σ = 155351232. Its totient is φ = 142405252.

The previous prime is 148878239. The next prime is 148878253. The reversal of 148878241 is 142878841.

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 148878241 - 2¹ = 148878239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148878271) 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, 3236461 + ... + 3236506.

It is an arithmetic number, because the mean of its divisors is an integer number (38837808).

Almost surely, 2^148878241 is an apocalyptic number.

It is an amenable number.

148878241 is a deficient number, since it is larger than the sum of its proper divisors (6472991).

148878241 is an equidigital number, since it uses as much as digits as its factorization.

148878241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6472990.

The product of its digits is 114688, while the sum is 43.

The square root of 148878241 is about 12201.5671534439. The cubic root of 148878241 is about 530.0014726434.

The spelling of 148878241 in words is "one hundred forty-eight million, eight hundred seventy-eight thousand, two hundred forty-one".