145453422019 has 2 divisors, whose sum is σ = 145453422020. Its totient is φ = 145453422018.

The previous prime is 145453422013. The next prime is 145453422041. The reversal of 145453422019 is 910224354541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145453422019 - 2¹⁹ = 145452897731 is a prime.

It is a super-2 number, since 2×145453422019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145453422013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72726711009 + 72726711010.

It is an arithmetic number, because the mean of its divisors is an integer number (72726711010).

Almost surely, 2^145453422019 is an apocalyptic number.

145453422019 is a deficient number, since it is larger than the sum of its proper divisors (1).

145453422019 is an equidigital number, since it uses as much as digits as its factorization.

145453422019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 145453422019 in words is "one hundred forty-five billion, four hundred fifty-three million, four hundred twenty-two thousand, nineteen".