146131433 has 4 divisors (see below), whose sum is σ = 167007360. Its totient is φ = 125255508.

The previous prime is 146131423. The next prime is 146131459. The reversal of 146131433 is 334131641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 334131641 = 5081 ⋅65761.

It is not a de Polignac number, because 146131433 - 2⁶ = 146131369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146131423) 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, 10437953 + ... + 10437966.

It is an arithmetic number, because the mean of its divisors is an integer number (41751840).

Almost surely, 2^146131433 is an apocalyptic number.

It is an amenable number.

146131433 is a deficient number, since it is larger than the sum of its proper divisors (20875927).

146131433 is an equidigital number, since it uses as much as digits as its factorization.

146131433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20875926.

The product of its digits is 2592, while the sum is 26.

The square root of 146131433 is about 12088.4834863601. The cubic root of 146131433 is about 526.7217042218.

The spelling of 146131433 in words is "one hundred forty-six million, one hundred thirty-one thousand, four hundred thirty-three".