146674821 has 8 divisors (see below), whose sum is σ = 196591104. Its totient is φ = 97270880.

The previous prime is 146674817. The next prime is 146674823. The reversal of 146674821 is 128476641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146674821 - 2² = 146674817 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 146674821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146674823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127416 + ... + 128561.

It is an arithmetic number, because the mean of its divisors is an integer number (24573888).

Almost surely, 2^146674821 is an apocalyptic number.

It is an amenable number.

146674821 is a deficient number, since it is larger than the sum of its proper divisors (49916283).

146674821 is a wasteful number, since it uses less digits than its factorization.

146674821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256171.

The product of its digits is 64512, while the sum is 39.

The square root of 146674821 is about 12110.9380726680. The cubic root of 146674821 is about 527.3737661297.

The spelling of 146674821 in words is "one hundred forty-six million, six hundred seventy-four thousand, eight hundred twenty-one".