148405441 has 8 divisors (see below), whose sum is σ = 155108520. Its totient is φ = 141808128.

The previous prime is 148405429. The next prime is 148405471. The reversal of 148405441 is 144504841.

It can be written as a sum of positive squares in 4 ways, for example, as 46294416 + 102111025 = 6804^2 + 10105^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148405441 - 2¹⁷ = 148274369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148405471) 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 7 ways as a sum of consecutive naturals, for example, 23566 + ... + 29191.

It is an arithmetic number, because the mean of its divisors is an integer number (19388565).

Almost surely, 2^148405441 is an apocalyptic number.

It is an amenable number.

148405441 is a deficient number, since it is larger than the sum of its proper divisors (6703079).

148405441 is an equidigital number, since it uses as much as digits as its factorization.

148405441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52883.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 148405441 is about 12182.1771863653. The cubic root of 148405441 is about 529.4398270366.

The spelling of 148405441 in words is "one hundred forty-eight million, four hundred five thousand, four hundred forty-one".