148234945 has 12 divisors (see below), whose sum is σ = 181760724. Its totient is φ = 116056160.

The previous prime is 148234943. The next prime is 148234969. The reversal of 148234945 is 549432841.

It can be written as a sum of positive squares in 2 ways, for example, as 103063104 + 45171841 = 10152^2 + 6721^2 .

It is not a de Polignac number, because 148234945 - 2¹ = 148234943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148234898 and 148234907.

It is not an unprimeable number, because it can be changed into a prime (148234943) 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 11 ways as a sum of consecutive naturals, for example, 4335 + ... + 17755.

It is an arithmetic number, because the mean of its divisors is an integer number (15146727).

Almost surely, 2^148234945 is an apocalyptic number.

It is an amenable number.

148234945 is a deficient number, since it is larger than the sum of its proper divisors (33525779).

148234945 is an equidigital number, since it uses as much as digits as its factorization.

148234945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13520 (or 13473 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 148234945 is about 12175.1774114384. The cubic root of 148234945 is about 529.2369998756.

The spelling of 148234945 in words is "one hundred forty-eight million, two hundred thirty-four thousand, nine hundred forty-five".