157126557 has 8 divisors (see below), whose sum is σ = 239430976. Its totient is φ = 89786592.

The previous prime is 157126549. The next prime is 157126577. The reversal of 157126557 is 755621751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157126557 - 2³ = 157126549 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 (157126537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3741088 + ... + 3741129.

It is an arithmetic number, because the mean of its divisors is an integer number (29928872).

Almost surely, 2^157126557 is an apocalyptic number.

It is an amenable number.

157126557 is a deficient number, since it is larger than the sum of its proper divisors (82304419).

157126557 is an equidigital number, since it uses as much as digits as its factorization.

157126557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7482227.

The product of its digits is 73500, while the sum is 39.

The square root of 157126557 is about 12535.0132429128. The cubic root of 157126557 is about 539.6139868170.

The spelling of 157126557 in words is "one hundred fifty-seven million, one hundred twenty-six thousand, five hundred fifty-seven".