157733224448 has 54 divisors (see below), whose sum is σ = 315753078501. Its totient is φ = 78794719232.

The previous prime is 157733224427. The next prime is 157733224511. The reversal of 157733224448 is 844422337751.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 150022979584 + 7710244864 = 387328^2 + 87808^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=280832.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157733224396 and 157733224405.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 143785436 + ... + 143786532.

Almost surely, 2^157733224448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157733224448

157733224448 is an abundant number, since it is smaller than the sum of its proper divisors (158019854053).

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

157733224448 is an frugal number, since it uses more digits than its factorization.

157733224448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228 (or 1099 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 50.

Multiplying 157733224448 by its sum of digits (50), we get a square (7886661222400 = 2808320²).

The spelling of 157733224448 in words is "one hundred fifty-seven billion, seven hundred thirty-three million, two hundred twenty-four thousand, four hundred forty-eight".