157448202171 has 32 divisors (see below), whose sum is σ = 233459761920. Its totient is φ = 93769570944.

The previous prime is 157448202169. The next prime is 157448202193. The reversal of 157448202171 is 171202844751.

It is a happy number.

It is not a de Polignac number, because 157448202171 - 2¹ = 157448202169 is a prime.

It is a super-2 number, since 2×157448202171² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157448202071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247881 + ... + 613466.

It is an arithmetic number, because the mean of its divisors is an integer number (7295617560).

Almost surely, 2^157448202171 is an apocalyptic number.

157448202171 is a deficient number, since it is larger than the sum of its proper divisors (76011559749).

157448202171 is a wasteful number, since it uses less digits than its factorization.

157448202171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861515.

The product of its (nonzero) digits is 125440, while the sum is 42.

The spelling of 157448202171 in words is "one hundred fifty-seven billion, four hundred forty-eight million, two hundred two thousand, one hundred seventy-one".