157741648 has 40 divisors (see below), whose sum is σ = 324111200. Its totient is φ = 74162304.

The previous prime is 157741631. The next prime is 157741709. The reversal of 157741648 is 846147751.

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 7 ways as a sum of consecutive naturals, for example, 40390 + ... + 44122.

It is an arithmetic number, because the mean of its divisors is an integer number (8102780).

Almost surely, 2^157741648 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 157741648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162055600).

157741648 is an abundant number, since it is smaller than the sum of its proper divisors (166369552).

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

157741648 is a wasteful number, since it uses less digits than its factorization.

157741648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899 (or 3893 counting only the distinct ones).

The product of its digits is 188160, while the sum is 43.

The square root of 157741648 is about 12559.5241948093. The cubic root of 157741648 is about 540.3171981851.

The spelling of 157741648 in words is "one hundred fifty-seven million, seven hundred forty-one thousand, six hundred forty-eight".