157275648 has 160 divisors (see below), whose sum is σ = 481873920. Its totient is φ = 50595840.

The previous prime is 157275611. The next prime is 157275683. The reversal of 157275648 is 846572751.

157275648 is a `hidden beast` number, since 1 + 572 + 75 + 6 + 4 + 8 = 666.

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 15 ways as a sum of consecutive naturals, for example, 428361 + ... + 428727.

It is an arithmetic number, because the mean of its divisors is an integer number (3011712).

Almost surely, 2^157275648 is an apocalyptic number.

157275648 is a gapful number since it is divisible by the number (18) 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 157275648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240936960).

157275648 is an abundant number, since it is smaller than the sum of its proper divisors (324598272).

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

157275648 is an equidigital number, since it uses as much as digits as its factorization.

157275648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 403 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 157275648 is about 12540.9588150189. The cubic root of 157275648 is about 539.7846054531.

The spelling of 157275648 in words is "one hundred fifty-seven million, two hundred seventy-five thousand, six hundred forty-eight".