157752149550 has 192 divisors, whose sum is σ = 401683290624. Its totient is φ = 40961894400.

The previous prime is 157752149549. The next prime is 157752149561. The reversal of 157752149550 is 55941257751.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 157752149493 and 157752149502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 513850497 + ... + 513850803.

It is an arithmetic number, because the mean of its divisors is an integer number (2092100472).

Almost surely, 2^157752149550 is an apocalyptic number.

157752149550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157752149550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200841645312).

157752149550 is an abundant number, since it is smaller than the sum of its proper divisors (243931141074).

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

157752149550 is a wasteful number, since it uses less digits than its factorization.

157752149550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 2205000, while the sum is 51.

The spelling of 157752149550 in words is "one hundred fifty-seven billion, seven hundred fifty-two million, one hundred forty-nine thousand, five hundred fifty".