148228621 has 8 divisors (see below), whose sum is σ = 150240384. Its totient is φ = 146222400.

The previous prime is 148228607. The next prime is 148228631. The reversal of 148228621 is 126822841.

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 148228621 - 2²³ = 139840013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148228631) 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 7 ways as a sum of consecutive naturals, for example, 98940 + ... + 100426.

It is an arithmetic number, because the mean of its divisors is an integer number (18780048).

Almost surely, 2^148228621 is an apocalyptic number.

It is an amenable number.

148228621 is a deficient number, since it is larger than the sum of its proper divisors (2011763).

148228621 is a wasteful number, since it uses less digits than its factorization.

148228621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771.

The product of its digits is 12288, while the sum is 34.

The square root of 148228621 is about 12174.9176999272. The cubic root of 148228621 is about 529.2294736647.

It can be divided in two parts, 1482 and 28621, that added together give a palindrome (30103).

The spelling of 148228621 in words is "one hundred forty-eight million, two hundred twenty-eight thousand, six hundred twenty-one".