157448329 has 2 divisors, whose sum is σ = 157448330. Its totient is φ = 157448328.

The previous prime is 157448303. The next prime is 157448341. The reversal of 157448329 is 923844751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98465929 + 58982400 = 9923^2 + 7680^2 .

It is an emirp because it is prime and its reverse (923844751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157448329 - 2¹¹ = 157446281 is a prime.

It is equal to p_8839393 and since 157448329 and 8839393 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (157448359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78724164 + 78724165.

It is an arithmetic number, because the mean of its divisors is an integer number (78724165).

Almost surely, 2^157448329 is an apocalyptic number.

It is an amenable number.

157448329 is a deficient number, since it is larger than the sum of its proper divisors (1).

157448329 is an equidigital number, since it uses as much as digits as its factorization.

157448329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 157448329 is about 12547.8416072247. The cubic root of 157448329 is about 539.9820855968.

The spelling of 157448329 in words is "one hundred fifty-seven million, four hundred forty-eight thousand, three hundred twenty-nine".