791148149 has 8 divisors (see below), whose sum is σ = 863974848. Its totient is φ = 718472160.

The previous prime is 791148073. The next prime is 791148161. The reversal of 791148149 is 941841197.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-791148149 is a prime.

It is a super-2 number, since 2×791148149² = 1251830787332252402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791148949) 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, 26552 + ... + 47825.

It is an arithmetic number, because the mean of its divisors is an integer number (107996856).

Almost surely, 2^791148149 is an apocalyptic number.

It is an amenable number.

791148149 is a deficient number, since it is larger than the sum of its proper divisors (72826699).

791148149 is a wasteful number, since it uses less digits than its factorization.

791148149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75355.

The product of its digits is 72576, while the sum is 44.

The square root of 791148149 is about 28127.3558835522. The cubic root of 791148149 is about 924.8811725615.

The spelling of 791148149 in words is "seven hundred ninety-one million, one hundred forty-eight thousand, one hundred forty-nine".