748322450148 has 144 divisors (see below), whose sum is σ = 2167665978240. Its totient is φ = 196735997952.

The previous prime is 748322450129. The next prime is 748322450233. The reversal of 748322450148 is 841054223847.

It is a junction number, because it is equal to n+sod(n) for n = 748322450097 and 748322450106.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4416988 + ... + 4583276.

It is an arithmetic number, because the mean of its divisors is an integer number (15053235960).

Almost surely, 2^748322450148 is an apocalyptic number.

748322450148 is a gapful number since it is divisible by the number (78) 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 748322450148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083832989120).

748322450148 is an abundant number, since it is smaller than the sum of its proper divisors (1419343528092).

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

748322450148 is a wasteful number, since it uses less digits than its factorization.

748322450148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166646 (or 166631 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 748322450148 in words is "seven hundred forty-eight billion, three hundred twenty-two million, four hundred fifty thousand, one hundred forty-eight".