157148784 has 120 divisors (see below), whose sum is σ = 478080512. Its totient is φ = 47900160.

The previous prime is 157148743. The next prime is 157148807. The reversal of 157148784 is 487841751.

157148784 is a `hidden beast` number, since 1 + 571 + 4 + 8 + 78 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237414 + ... + 238074.

Almost surely, 2^157148784 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 157148784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239040256).

157148784 is an abundant number, since it is smaller than the sum of its proper divisors (320931728).

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

157148784 is a wasteful number, since it uses less digits than its factorization.

157148784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 806 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The square root of 157148784 is about 12535.8998081510. The cubic root of 157148784 is about 539.6394300750.

The spelling of 157148784 in words is "one hundred fifty-seven million, one hundred forty-eight thousand, seven hundred eighty-four".