145137019 has 2 divisors, whose sum is σ = 145137020. Its totient is φ = 145137018.

The previous prime is 145137011. The next prime is 145137023. The reversal of 145137019 is 910731541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145137019 - 2³ = 145137011 is a prime.

It is a super-2 number, since 2×145137019² = 42129508568412722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145137011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72568509 + 72568510.

It is an arithmetic number, because the mean of its divisors is an integer number (72568510).

Almost surely, 2^145137019 is an apocalyptic number.

145137019 is a deficient number, since it is larger than the sum of its proper divisors (1).

145137019 is an equidigital number, since it uses as much as digits as its factorization.

145137019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 145137019 is about 12047.2826396661. The cubic root of 145137019 is about 525.5242159241.

The spelling of 145137019 in words is "one hundred forty-five million, one hundred thirty-seven thousand, nineteen".