149840793 has 8 divisors (see below), whose sum is σ = 221986400. Its totient is φ = 99893844.

The previous prime is 149840777. The next prime is 149840809. The reversal of 149840793 is 397048941.

It is an interprime number because it is at equal distance from previous prime (149840777) and next prime (149840809).

It is not a de Polignac number, because 149840793 - 2⁴ = 149840777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149840723) 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, 2774803 + ... + 2774856.

It is an arithmetic number, because the mean of its divisors is an integer number (27748300).

Almost surely, 2^149840793 is an apocalyptic number.

It is an amenable number.

149840793 is a deficient number, since it is larger than the sum of its proper divisors (72145607).

149840793 is an equidigital number, since it uses as much as digits as its factorization.

149840793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549668 (or 5549662 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 149840793 is about 12240.9473898061. The cubic root of 149840793 is about 531.1412372870.

The spelling of 149840793 in words is "one hundred forty-nine million, eight hundred forty thousand, seven hundred ninety-three".