157441019 has 2 divisors, whose sum is σ = 157441020. Its totient is φ = 157441018.

The previous prime is 157440967. The next prime is 157441043. The reversal of 157441019 is 910144751.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157441019 - 2¹⁶ = 157375483 is a prime.

It is a super-2 number, since 2×157441019² = 49575348927516722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (157441099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78720509 + 78720510.

It is an arithmetic number, because the mean of its divisors is an integer number (78720510).

Almost surely, 2^157441019 is an apocalyptic number.

157441019 is a deficient number, since it is larger than the sum of its proper divisors (1).

157441019 is an equidigital number, since it uses as much as digits as its factorization.

157441019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 157441019 is about 12547.5503186877. The cubic root of 157441019 is about 539.9737287173.

The spelling of 157441019 in words is "one hundred fifty-seven million, four hundred forty-one thousand, nineteen".