148320399 has 16 divisors (see below), whose sum is σ = 213018624. Its totient is φ = 91528800.

The previous prime is 148320397. The next prime is 148320407. The reversal of 148320399 is 993023841.

148320399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148320399 - 2¹ = 148320397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148320397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32532 + ... + 36809.

It is an arithmetic number, because the mean of its divisors is an integer number (13313664).

Almost surely, 2^148320399 is an apocalyptic number.

148320399 is a deficient number, since it is larger than the sum of its proper divisors (64698225).

148320399 is a wasteful number, since it uses less digits than its factorization.

148320399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69398.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 148320399 is about 12178.6862591989. The cubic root of 148320399 is about 529.3386779491.

The spelling of 148320399 in words is "one hundred forty-eight million, three hundred twenty thousand, three hundred ninety-nine".