148420303444 has 72 divisors (see below), whose sum is σ = 308571016320. Its totient is φ = 61186351680.

The previous prime is 148420303379. The next prime is 148420303453. The reversal of 148420303444 is 444303024841.

It is a happy number.

It is a super-2 number, since 2×148420303444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4477122 + ... + 4510150.

It is an arithmetic number, because the mean of its divisors is an integer number (4285708560).

Almost surely, 2^148420303444 is an apocalyptic number.

148420303444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148420303444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154285508160).

148420303444 is an abundant number, since it is smaller than the sum of its proper divisors (160150712876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148420303444 is a wasteful number, since it uses less digits than its factorization.

148420303444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33269 (or 33236 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 37.

The spelling of 148420303444 in words is "one hundred forty-eight billion, four hundred twenty million, three hundred three thousand, four hundred forty-four".