148544441 has 4 divisors (see below), whose sum is σ = 148713552. Its totient is φ = 148375332.

The previous prime is 148544401. The next prime is 148544491. The reversal of 148544441 is 144445841.

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, and also an emirpimes, since its reverse is a distinct semiprime: 144445841 = 4363 ⋅33107.

It is a cyclic number.

It is not a de Polignac number, because 148544441 - 2¹⁸ = 148282297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148544401) 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, 83231 + ... + 84996.

It is an arithmetic number, because the mean of its divisors is an integer number (37178388).

Almost surely, 2^148544441 is an apocalyptic number.

It is an amenable number.

148544441 is a deficient number, since it is larger than the sum of its proper divisors (169111).

148544441 is an equidigital number, since it uses as much as digits as its factorization.

148544441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169110.

The product of its digits is 40960, while the sum is 35.

The square root of 148544441 is about 12187.8809068681. The cubic root of 148544441 is about 529.6050706902.

The spelling of 148544441 in words is "one hundred forty-eight million, five hundred forty-four thousand, four hundred forty-one".