148441821 has 16 divisors (see below), whose sum is σ = 218058048. Its totient is φ = 89072000.

The previous prime is 148441819. The next prime is 148441823. The reversal of 148441821 is 128144841.

148441821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (148441819) and next prime (148441823).

It is a cyclic number.

It is not a de Polignac number, because 148441821 - 2¹ = 148441819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148441823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18936 + ... + 25601.

It is an arithmetic number, because the mean of its divisors is an integer number (13628628).

Almost surely, 2^148441821 is an apocalyptic number.

148441821 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148441821 is a deficient number, since it is larger than the sum of its proper divisors (69616227).

148441821 is a wasteful number, since it uses less digits than its factorization.

148441821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44652.

The product of its digits is 8192, while the sum is 33.

The square root of 148441821 is about 12183.6702598191. The cubic root of 148441821 is about 529.4830856645.

The spelling of 148441821 in words is "one hundred forty-eight million, four hundred forty-one thousand, eight hundred twenty-one".