148547441 has 4 divisors (see below), whose sum is σ = 169768512. Its totient is φ = 127326372.

The previous prime is 148547423. The next prime is 148547447. The reversal of 148547441 is 144745841.

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 a de Polignac number, because none of the positive numbers 2^k-148547441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148547395 and 148547404.

It is not an unprimeable number, because it can be changed into a prime (148547447) 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, 10610525 + ... + 10610538.

It is an arithmetic number, because the mean of its divisors is an integer number (42442128).

Almost surely, 2^148547441 is an apocalyptic number.

It is an amenable number.

148547441 is a deficient number, since it is larger than the sum of its proper divisors (21221071).

148547441 is an equidigital number, since it uses as much as digits as its factorization.

148547441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21221070.

The product of its digits is 71680, while the sum is 38.

The square root of 148547441 is about 12188.0039793233. The cubic root of 148547441 is about 529.6086359633.

The spelling of 148547441 in words is "one hundred forty-eight million, five hundred forty-seven thousand, four hundred forty-one".