157994485 has 16 divisors (see below), whose sum is σ = 207164160. Its totient is φ = 114719040.

The previous prime is 157994483. The next prime is 157994503. The reversal of 157994485 is 584499751.

It is not a de Polignac number, because 157994485 - 2¹ = 157994483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157994483) 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 15 ways as a sum of consecutive naturals, for example, 38356 + ... + 42274.

It is an arithmetic number, because the mean of its divisors is an integer number (12947760).

Almost surely, 2^157994485 is an apocalyptic number.

It is an amenable number.

157994485 is a deficient number, since it is larger than the sum of its proper divisors (49169675).

157994485 is a wasteful number, since it uses less digits than its factorization.

157994485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668.

The product of its digits is 1814400, while the sum is 52.

The square root of 157994485 is about 12569.5857131411. The cubic root of 157994485 is about 540.6057274696.

The spelling of 157994485 in words is "one hundred fifty-seven million, nine hundred ninety-four thousand, four hundred eighty-five".