148401499 has 4 divisors (see below), whose sum is σ = 148611520. Its totient is φ = 148191480.

The previous prime is 148401437. The next prime is 148401511. The reversal of 148401499 is 994104841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148401499 - 2¹¹ = 148399451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148401199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103947 + ... + 105364.

It is an arithmetic number, because the mean of its divisors is an integer number (37152880).

Almost surely, 2^148401499 is an apocalyptic number.

148401499 is a deficient number, since it is larger than the sum of its proper divisors (210021).

148401499 is an equidigital number, since it uses as much as digits as its factorization.

148401499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210020.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 148401499 is about 12182.0153915516. The cubic root of 148401499 is about 529.4351392698.

The spelling of 148401499 in words is "one hundred forty-eight million, four hundred one thousand, four hundred ninety-nine".