148003885 has 24 divisors (see below), whose sum is σ = 186303816. Its totient is φ = 112780800.

The previous prime is 148003883. The next prime is 148003903. The reversal of 148003885 is 588300841.

It can be written as a sum of positive squares in 12 ways, for example, as 10903204 + 137100681 = 3302^2 + 11709^2 .

It is not a de Polignac number, because 148003885 - 2¹ = 148003883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148003883) 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 23 ways as a sum of consecutive naturals, for example, 1465335 + ... + 1465435.

It is an arithmetic number, because the mean of its divisors is an integer number (7762659).

Almost surely, 2^148003885 is an apocalyptic number.

It is an amenable number.

148003885 is a deficient number, since it is larger than the sum of its proper divisors (38299931).

148003885 is an equidigital number, since it uses as much as digits as its factorization.

148003885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 148003885 is about 12165.6847320650. The cubic root of 148003885 is about 528.9618756048.

The spelling of 148003885 in words is "one hundred forty-eight million, three thousand, eight hundred eighty-five".