157228847424 has 336 divisors, whose sum is σ = 534220277760. Its totient is φ = 43680384000.

The previous prime is 157228847387. The next prime is 157228847471. The reversal of 157228847424 is 424748822751.

157228847424 is a `hidden beast` number, since 1 + 5 + 72 + 2 + 88 + 474 + 24 = 666.

It is a super-4 number, since 4×157228847424⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3710839 + ... + 3752969.

Almost surely, 2^157228847424 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 157228847424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267110138880).

157228847424 is an abundant number, since it is smaller than the sum of its proper divisors (376991430336).

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

157228847424 is a wasteful number, since it uses less digits than its factorization.

157228847424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42210 (or 42197 counting only the distinct ones).

The product of its digits is 8028160, while the sum is 54.

The spelling of 157228847424 in words is "one hundred fifty-seven billion, two hundred twenty-eight million, eight hundred forty-seven thousand, four hundred twenty-four".