157884239 has 2 divisors, whose sum is σ = 157884240. Its totient is φ = 157884238.

The previous prime is 157884203. The next prime is 157884263. The reversal of 157884239 is 932488751.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (932488751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157884239 - 2¹² = 157880143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157884193 and 157884202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157884269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78942119 + 78942120.

It is an arithmetic number, because the mean of its divisors is an integer number (78942120).

Almost surely, 2^157884239 is an apocalyptic number.

157884239 is a deficient number, since it is larger than the sum of its proper divisors (1).

157884239 is an equidigital number, since it uses as much as digits as its factorization.

157884239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 157884239 is about 12565.1995208990. The cubic root of 157884239 is about 540.4799562294.

The spelling of 157884239 in words is "one hundred fifty-seven million, eight hundred eighty-four thousand, two hundred thirty-nine".