148803481 has 8 divisors (see below), whose sum is σ = 149693544. Its totient is φ = 147916800.

The previous prime is 148803467. The next prime is 148803511. The reversal of 148803481 is 184308841.

It can be written as a sum of positive squares in 4 ways, for example, as 71978256 + 76825225 = 8484^2 + 8765^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 148803481 - 2²⁵ = 115249049 is a prime.

It is a super-2 number, since 2×148803481² = 44284951915434722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148803481.

It is not an unprimeable number, because it can be changed into a prime (148803451) 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, 173205 + ... + 174061.

It is an arithmetic number, because the mean of its divisors is an integer number (18711693).

Almost surely, 2^148803481 is an apocalyptic number.

It is an amenable number.

148803481 is a deficient number, since it is larger than the sum of its proper divisors (890063).

148803481 is an equidigital number, since it uses as much as digits as its factorization.

148803481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 148803481 is about 12198.5032278555. The cubic root of 148803481 is about 529.9127434376.

The spelling of 148803481 in words is "one hundred forty-eight million, eight hundred three thousand, four hundred eighty-one".