145015141773 has 4 divisors (see below), whose sum is σ = 193353522368. Its totient is φ = 96676761180.

The previous prime is 145015141771. The next prime is 145015141847. The reversal of 145015141773 is 377141510541.

It is a happy number.

145015141773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 377141510541 = 3 ⋅125713836847.

It is not a de Polignac number, because 145015141773 - 2¹ = 145015141771 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145015141771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24169190293 + ... + 24169190298.

It is an arithmetic number, because the mean of its divisors is an integer number (48338380592).

Almost surely, 2^145015141773 is an apocalyptic number.

It is an amenable number.

145015141773 is a deficient number, since it is larger than the sum of its proper divisors (48338380595).

145015141773 is an equidigital number, since it uses as much as digits as its factorization.

145015141773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48338380594.

The product of its (nonzero) digits is 58800, while the sum is 39.

The spelling of 145015141773 in words is "one hundred forty-five billion, fifteen million, one hundred forty-one thousand, seven hundred seventy-three".