157543344 has 120 divisors (see below), whose sum is σ = 511029792. Its totient is φ = 44375040.

The previous prime is 157543343. The next prime is 157543349. The reversal of 157543344 is 443345751.

157543344 is a `hidden beast` number, since 1 + 575 + 43 + 3 + 44 = 666.

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 = 157543299 and 157543308.

It is not an unprimeable number, because it can be changed into a prime (157543343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72514 + ... + 74654.

Almost surely, 2^157543344 is an apocalyptic number.

157543344 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 157543344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255514896).

157543344 is an abundant number, since it is smaller than the sum of its proper divisors (353486448).

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

157543344 is a wasteful number, since it uses less digits than its factorization.

157543344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235 (or 2226 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 157543344 is about 12551.6271455138. The cubic root of 157543344 is about 540.0906843586.

The spelling of 157543344 in words is "one hundred fifty-seven million, five hundred forty-three thousand, three hundred forty-four".