146639043 has 12 divisors (see below), whose sum is σ = 211949400. Its totient is φ = 97695936.

The previous prime is 146639041. The next prime is 146639047. The reversal of 146639043 is 340936641.

146639043 is a `hidden beast` number, since 14 + 6 + 639 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 146639043 - 2¹ = 146639041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146638989 and 146639007.

It is not an unprimeable number, because it can be changed into a prime (146639041) 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 11 ways as a sum of consecutive naturals, for example, 12508 + ... + 21206.

It is an arithmetic number, because the mean of its divisors is an integer number (17662450).

Almost surely, 2^146639043 is an apocalyptic number.

146639043 is a deficient number, since it is larger than the sum of its proper divisors (65310357).

146639043 is a wasteful number, since it uses less digits than its factorization.

146639043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10578 (or 10575 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 146639043 is about 12109.4608880825. The cubic root of 146639043 is about 527.3308823481.

The spelling of 146639043 in words is "one hundred forty-six million, six hundred thirty-nine thousand, forty-three".