146514681 has 12 divisors (see below), whose sum is σ = 222771120. Its totient is φ = 92535480.

The previous prime is 146514661. The next prime is 146514691. The reversal of 146514681 is 186415641.

146514681 is a `hidden beast` number, since 146 + 51 + 468 + 1 = 666.

It is not a de Polignac number, because 146514681 - 2⁶ = 146514617 is a prime.

It is a super-2 number, since 2×146514681² = 42933103497063522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146514601) 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, 428235 + ... + 428576.

It is an arithmetic number, because the mean of its divisors is an integer number (18564260).

Almost surely, 2^146514681 is an apocalyptic number.

It is an amenable number.

146514681 is a deficient number, since it is larger than the sum of its proper divisors (76256439).

146514681 is a wasteful number, since it uses less digits than its factorization.

146514681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856836 (or 856833 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 146514681 is about 12104.3248882373. The cubic root of 146514681 is about 527.1817668291.

The spelling of 146514681 in words is "one hundred forty-six million, five hundred fourteen thousand, six hundred eighty-one".