148299999 has 4 divisors (see below), whose sum is σ = 197733336. Its totient is φ = 98866664.

The previous prime is 148299979. The next prime is 148300007. The reversal of 148299999 is 999992841.

It is a happy number.

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 148299999 - 2⁷ = 148299871 is a prime.

148299999 is a modest number, since divided by 99999 gives 1482 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148299979) 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, 24716664 + ... + 24716669.

It is an arithmetic number, because the mean of its divisors is an integer number (49433334).

Almost surely, 2^148299999 is an apocalyptic number.

148299999 is a deficient number, since it is larger than the sum of its proper divisors (49433337).

148299999 is an equidigital number, since it uses as much as digits as its factorization.

148299999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49433336.

The product of its digits is 3779136, while the sum is 60.

The square root of 148299999 is about 12177.8487016386. The cubic root of 148299999 is about 529.3144084078.

The spelling of 148299999 in words is "one hundred forty-eight million, two hundred ninety-nine thousand, nine hundred ninety-nine".