148780799 has 4 divisors (see below), whose sum is σ = 148962840. Its totient is φ = 148598760.

The previous prime is 148780781. The next prime is 148780829. The reversal of 148780799 is 997087841.

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 148780799 - 2⁸ = 148780543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148780799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148780739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89789 + ... + 91430.

It is an arithmetic number, because the mean of its divisors is an integer number (37240710).

Almost surely, 2^148780799 is an apocalyptic number.

148780799 is a deficient number, since it is larger than the sum of its proper divisors (182041).

148780799 is an equidigital number, since it uses as much as digits as its factorization.

148780799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182040.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 148780799 is about 12197.5734881984. The cubic root of 148780799 is about 529.8858173390.

The spelling of 148780799 in words is "one hundred forty-eight million, seven hundred eighty thousand, seven hundred ninety-nine".