152881019 has 2 divisors, whose sum is σ = 152881020. Its totient is φ = 152881018.

The previous prime is 152880971. The next prime is 152881031. The reversal of 152881019 is 910188251.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152881019 is a prime.

It is a super-2 number, since 2×152881019² = 46745211940956722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152881019.

It is not a weakly prime, because it can be changed into another prime (152881919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76440509 + 76440510.

It is an arithmetic number, because the mean of its divisors is an integer number (76440510).

Almost surely, 2^152881019 is an apocalyptic number.

152881019 is a deficient number, since it is larger than the sum of its proper divisors (1).

152881019 is an equidigital number, since it uses as much as digits as its factorization.

152881019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 35.

The square root of 152881019 is about 12364.5064195867. The cubic root of 152881019 is about 534.7094459811.

The spelling of 152881019 in words is "one hundred fifty-two million, eight hundred eighty-one thousand, nineteen".