146621673 has 12 divisors (see below), whose sum is σ = 231040368. Its totient is φ = 88861560.

The previous prime is 146621663. The next prime is 146621731. The reversal of 146621673 is 376126641.

It is a happy number.

146621673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146621673 - 2⁵ = 146621641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146621653) 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, 740415 + ... + 740612.

It is an arithmetic number, because the mean of its divisors is an integer number (19253364).

Almost surely, 2^146621673 is an apocalyptic number.

It is an amenable number.

146621673 is a deficient number, since it is larger than the sum of its proper divisors (84418695).

146621673 is a wasteful number, since it uses less digits than its factorization.

146621673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481044 (or 1481041 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 146621673 is about 12108.7436590259. The cubic root of 146621673 is about 527.3100600192.

The spelling of 146621673 in words is "one hundred forty-six million, six hundred twenty-one thousand, six hundred seventy-three".