148481945 has 8 divisors (see below), whose sum is σ = 180688320. Its totient is φ = 117112240.

The previous prime is 148481939. The next prime is 148481947. The reversal of 148481945 is 549184841.

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

It is not a de Polignac number, because 148481945 - 2⁴ = 148481929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148481896 and 148481905.

It is not an unprimeable number, because it can be changed into a prime (148481947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208775 + ... + 209484.

It is an arithmetic number, because the mean of its divisors is an integer number (22586040).

Almost surely, 2^148481945 is an apocalyptic number.

It is an amenable number.

148481945 is a deficient number, since it is larger than the sum of its proper divisors (32206375).

148481945 is an equidigital number, since it uses as much as digits as its factorization.

148481945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418335.

The product of its digits is 184320, while the sum is 44.

The square root of 148481945 is about 12185.3167788121. The cubic root of 148481945 is about 529.5307880017.

The spelling of 148481945 in words is "one hundred forty-eight million, four hundred eighty-one thousand, nine hundred forty-five".