157382389 has 2 divisors, whose sum is σ = 157382390. Its totient is φ = 157382388.

The previous prime is 157382371. The next prime is 157382411. The reversal of 157382389 is 983283751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100500625 + 56881764 = 10025^2 + 7542^2 .

It is a cyclic number.

It is not a de Polignac number, because 157382389 - 2¹¹ = 157380341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157382089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78691194 + 78691195.

It is an arithmetic number, because the mean of its divisors is an integer number (78691195).

Almost surely, 2^157382389 is an apocalyptic number.

It is an amenable number.

157382389 is a deficient number, since it is larger than the sum of its proper divisors (1).

157382389 is an equidigital number, since it uses as much as digits as its factorization.

157382389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 157382389 is about 12545.2137885331. The cubic root of 157382389 is about 539.9066928403.

The spelling of 157382389 in words is "one hundred fifty-seven million, three hundred eighty-two thousand, three hundred eighty-nine".