149341019 has 2 divisors, whose sum is σ = 149341020. Its totient is φ = 149341018.

The previous prime is 149341013. The next prime is 149341051. The reversal of 149341019 is 910143941.

It is an a-pointer prime, because the next prime (149341051) can be obtained adding 149341019 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149341019 is a prime.

It is a super-2 number, since 2×149341019² = 44605479911916722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149341013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74670509 + 74670510.

It is an arithmetic number, because the mean of its divisors is an integer number (74670510).

Almost surely, 2^149341019 is an apocalyptic number.

149341019 is a deficient number, since it is larger than the sum of its proper divisors (1).

149341019 is an equidigital number, since it uses as much as digits as its factorization.

149341019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 149341019 is about 12220.5163147880. The cubic root of 149341019 is about 530.5500625953.

The spelling of 149341019 in words is "one hundred forty-nine million, three hundred forty-one thousand, nineteen".