157530001 has 8 divisors (see below), whose sum is σ = 164488320. Its totient is φ = 150673488.

The previous prime is 157529993. The next prime is 157530011. The reversal of 157530001 is 100035751.

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 157530001 - 2³ = 157529993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157530011) 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, 22281 + ... + 28486.

It is an arithmetic number, because the mean of its divisors is an integer number (20561040).

Almost surely, 2^157530001 is an apocalyptic number.

It is an amenable number.

157530001 is a deficient number, since it is larger than the sum of its proper divisors (6958319).

157530001 is a wasteful number, since it uses less digits than its factorization.

157530001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50903.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 157530001 is about 12551.0956095474. The cubic root of 157530001 is about 540.0754364206.

Adding to 157530001 its reverse (100035751), we get a palindrome (257565752).

The spelling of 157530001 in words is "one hundred fifty-seven million, five hundred thirty thousand, one".