157240585 has 8 divisors (see below), whose sum is σ = 188781120. Its totient is φ = 125730864.

The previous prime is 157240583. The next prime is 157240597. The reversal of 157240585 is 585042751.

157240585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 157240585 - 2¹ = 157240583 is a prime.

It is a super-2 number, since 2×157240585² = 49449203142284450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157240583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5626 + ... + 18604.

It is an arithmetic number, because the mean of its divisors is an integer number (23597640).

Almost surely, 2^157240585 is an apocalyptic number.

It is an amenable number.

157240585 is a deficient number, since it is larger than the sum of its proper divisors (31540535).

157240585 is a wasteful number, since it uses less digits than its factorization.

157240585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15407.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 157240585 is about 12539.5607977313. The cubic root of 157240585 is about 539.7444893162.

The spelling of 157240585 in words is "one hundred fifty-seven million, two hundred forty thousand, five hundred eighty-five".