148584921 has 8 divisors (see below), whose sum is σ = 208540320. Its totient is φ = 93843072.

The previous prime is 148584911. The next prime is 148584937. The reversal of 148584921 is 129485841.

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

It is not a de Polignac number, because 148584921 - 2⁵ = 148584889 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (148584901) 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, 1303320 + ... + 1303433.

It is an arithmetic number, because the mean of its divisors is an integer number (26067540).

Almost surely, 2^148584921 is an apocalyptic number.

It is an amenable number.

148584921 is a deficient number, since it is larger than the sum of its proper divisors (59955399).

148584921 is a wasteful number, since it uses less digits than its factorization.

148584921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606775.

The product of its digits is 92160, while the sum is 42.

The square root of 148584921 is about 12189.5414597925. The cubic root of 148584921 is about 529.6531740636.

The spelling of 148584921 in words is "one hundred forty-eight million, five hundred eighty-four thousand, nine hundred twenty-one".