157828751 has 6 divisors (see below), whose sum is σ = 160224120. Its totient is φ = 155468676.

The previous prime is 157828661. The next prime is 157828813.

157828751 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 157828751 - 2¹⁴ = 157812367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157828351) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 13091 + ... + 22068.

It is an arithmetic number, because the mean of its divisors is an integer number (26704020).

Almost surely, 2^157828751 is an apocalyptic number.

157828751 is a deficient number, since it is larger than the sum of its proper divisors (2395369).

157828751 is an frugal number, since it uses more digits than its factorization.

157828751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35293 (or 35226 counting only the distinct ones).

The product of its digits is 156800, while the sum is 44.

The square root of 157828751 is about 12562.9913237254. The cubic root of 157828751 is about 540.4166320581.

The spelling of 157828751 in words is "one hundred fifty-seven million, eight hundred twenty-eight thousand, seven hundred fifty-one".