148303721 has 8 divisors (see below), whose sum is σ = 161145600. Its totient is φ = 135965520.

The previous prime is 148303693. The next prime is 148303741. The reversal of 148303721 is 127303841.

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

It is not a de Polignac number, because 148303721 - 2¹⁸ = 148041577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148303741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125306 + ... + 126483.

It is an arithmetic number, because the mean of its divisors is an integer number (20143200).

Almost surely, 2^148303721 is an apocalyptic number.

It is an amenable number.

148303721 is a deficient number, since it is larger than the sum of its proper divisors (12841879).

148303721 is a wasteful number, since it uses less digits than its factorization.

148303721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251839.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 148303721 is about 12178.0015191328. The cubic root of 148303721 is about 529.3188365754.

The spelling of 148303721 in words is "one hundred forty-eight million, three hundred three thousand, seven hundred twenty-one".