146130381 has 24 divisors (see below), whose sum is σ = 217709856. Its totient is φ = 94404960.

The previous prime is 146130359. The next prime is 146130389. The reversal of 146130381 is 183031641.

146130381 is a `hidden beast` number, since 14 + 613 + 0 + 38 + 1 = 666.

It is not a de Polignac number, because 146130381 - 2⁷ = 146130253 is a prime.

It is a super-2 number, since 2×146130381² = 42708176502410322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146130389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37746 + ... + 41436.

It is an arithmetic number, because the mean of its divisors is an integer number (9071244).

Almost surely, 2^146130381 is an apocalyptic number.

It is an amenable number.

146130381 is a deficient number, since it is larger than the sum of its proper divisors (71579475).

146130381 is a wasteful number, since it uses less digits than its factorization.

146130381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833 (or 3830 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 146130381 is about 12088.4399737931. The cubic root of 146130381 is about 526.7204402624.

The spelling of 146130381 in words is "one hundred forty-six million, one hundred thirty thousand, three hundred eighty-one".