146990793 has 8 divisors (see below), whose sum is σ = 198008608. Its totient is φ = 96983424.

The previous prime is 146990743. The next prime is 146990801. The reversal of 146990793 is 397099641.

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

It is not a de Polignac number, because 146990793 - 2¹³ = 146982601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146990713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252271 + ... + 252852.

It is an arithmetic number, because the mean of its divisors is an integer number (24751076).

Almost surely, 2^146990793 is an apocalyptic number.

It is an amenable number.

146990793 is a deficient number, since it is larger than the sum of its proper divisors (51017815).

146990793 is an equidigital number, since it uses as much as digits as its factorization.

146990793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505223.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 146990793 is about 12123.9759567561. The cubic root of 146990793 is about 527.7521901570.

The spelling of 146990793 in words is "one hundred forty-six million, nine hundred ninety thousand, seven hundred ninety-three".