148587321 has 8 divisors (see below), whose sum is σ = 202948704. Its totient is φ = 96642080.

The previous prime is 148587289. The next prime is 148587343. The reversal of 148587321 is 123785841.

148587321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 148587321 - 2⁵ = 148587289 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 148587321.

It is not an unprimeable number, because it can be changed into a prime (148587221) 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, 603891 + ... + 604136.

It is an arithmetic number, because the mean of its divisors is an integer number (25368588).

Almost surely, 2^148587321 is an apocalyptic number.

It is an amenable number.

148587321 is a deficient number, since it is larger than the sum of its proper divisors (54361383).

148587321 is a wasteful number, since it uses less digits than its factorization.

148587321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208071.

The product of its digits is 53760, while the sum is 39.

The square root of 148587321 is about 12189.6399044434. The cubic root of 148587321 is about 529.6560257679.

The spelling of 148587321 in words is "one hundred forty-eight million, five hundred eighty-seven thousand, three hundred twenty-one".