157729605 has 16 divisors (see below), whose sum is σ = 275310144. Its totient is φ = 76474880.

The previous prime is 157729601. The next prime is 157729613. The reversal of 157729605 is 506927751.

It is not a de Polignac number, because 157729605 - 2² = 157729601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157729601) 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 15 ways as a sum of consecutive naturals, for example, 477804 + ... + 478133.

It is an arithmetic number, because the mean of its divisors is an integer number (17206884).

Almost surely, 2^157729605 is an apocalyptic number.

157729605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157729605 is a deficient number, since it is larger than the sum of its proper divisors (117580539).

157729605 is a wasteful number, since it uses less digits than its factorization.

157729605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955956.

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 157729605 is about 12559.0447487060. The cubic root of 157729605 is about 540.3034474187.

The spelling of 157729605 in words is "one hundred fifty-seven million, seven hundred twenty-nine thousand, six hundred five".