157382289 has 6 divisors (see below), whose sum is σ = 227329986. Its totient is φ = 104921520.

The previous prime is 157382287. The next prime is 157382297. The reversal of 157382289 is 982283751.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 99500625 + 57881664 = 9975^2 + 7608^2 .

It is not a de Polignac number, because 157382289 - 2¹ = 157382287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157382287) 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 5 ways as a sum of consecutive naturals, for example, 8743452 + ... + 8743469.

It is an arithmetic number, because the mean of its divisors is an integer number (37888331).

Almost surely, 2^157382289 is an apocalyptic number.

It is an amenable number.

157382289 is a deficient number, since it is larger than the sum of its proper divisors (69947697).

157382289 is a wasteful number, since it uses less digits than its factorization.

157382289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17486927 (or 17486924 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 157382289 is about 12545.2098029487. The cubic root of 157382289 is about 539.9065784890.

The spelling of 157382289 in words is "one hundred fifty-seven million, three hundred eighty-two thousand, two hundred eighty-nine".