145120440023467 has 2 divisors, whose sum is σ = 145120440023468. Its totient is φ = 145120440023466.

The previous prime is 145120440023357. The next prime is 145120440023479. The reversal of 145120440023467 is 764320044021541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145120440023467 - 2¹⁹ = 145120439499179 is a prime.

It is a super-2 number, since 2×145120440023467² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145120440083467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72560220011733 + 72560220011734.

It is an arithmetic number, because the mean of its divisors is an integer number (72560220011734).

Almost surely, 2^{145120440023467} is an apocalyptic number.

145120440023467 is a deficient number, since it is larger than the sum of its proper divisors (1).

145120440023467 is an equidigital number, since it uses as much as digits as its factorization.

145120440023467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 145120440023467 in words is "one hundred forty-five trillion, one hundred twenty billion, four hundred forty million, twenty-three thousand, four hundred sixty-seven".