146344331 has 12 divisors (see below), whose sum is σ = 177640272. Its totient is φ = 119983248.

The previous prime is 146344321. The next prime is 146344337. The reversal of 146344331 is 133443641.

It is not a de Polignac number, because 146344331 - 2²² = 142150027 is a prime.

It is a super-2 number, since 2×146344331² = 42833326431675122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146344294 and 146344303.

It is not an unprimeable number, because it can be changed into a prime (146344337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63800 + ... + 66053.

It is an arithmetic number, because the mean of its divisors is an integer number (14803356).

Almost surely, 2^146344331 is an apocalyptic number.

146344331 is a deficient number, since it is larger than the sum of its proper divisors (31295941).

146344331 is a wasteful number, since it uses less digits than its factorization.

146344331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129890 (or 129883 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

The square root of 146344331 is about 12097.2861006095. The cubic root of 146344331 is about 526.9773726553.

Adding to 146344331 its reverse (133443641), we get a palindrome (279787972).

The spelling of 146344331 in words is "one hundred forty-six million, three hundred forty-four thousand, three hundred thirty-one".