157723344 has 120 divisors (see below), whose sum is σ = 461354400. Its totient is φ = 50238720.

The previous prime is 157723337. The next prime is 157723361. The reversal of 157723344 is 443327751.

157723344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 157723299 and 157723308.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 747399 + ... + 747609.

It is an arithmetic number, because the mean of its divisors is an integer number (3844620).

Almost surely, 2^157723344 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 157723344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230677200).

157723344 is an abundant number, since it is smaller than the sum of its proper divisors (303631056).

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

157723344 is a wasteful number, since it uses less digits than its factorization.

157723344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 424 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 157723344 is about 12558.7954836441. The cubic root of 157723344 is about 540.2962982966.

The spelling of 157723344 in words is "one hundred fifty-seven million, seven hundred twenty-three thousand, three hundred forty-four".