148985377 has 4 divisors (see below), whose sum is σ = 150659460. Its totient is φ = 147311296.

The previous prime is 148985323. The next prime is 148985401. The reversal of 148985377 is 773589841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84198976 + 64786401 = 9176^2 + 8049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148985377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148985777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836908 + ... + 837085.

It is an arithmetic number, because the mean of its divisors is an integer number (37664865).

Almost surely, 2^148985377 is an apocalyptic number.

It is an amenable number.

148985377 is a deficient number, since it is larger than the sum of its proper divisors (1674083).

148985377 is an equidigital number, since it uses as much as digits as its factorization.

148985377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674082.

The product of its digits is 1693440, while the sum is 52.

The square root of 148985377 is about 12205.9566196181. The cubic root of 148985377 is about 530.1285756645.

The spelling of 148985377 in words is "one hundred forty-eight million, nine hundred eighty-five thousand, three hundred seventy-seven".