145272773011 has 2 divisors, whose sum is σ = 145272773012. Its totient is φ = 145272773010.

The previous prime is 145272772963. The next prime is 145272773017. The reversal of 145272773011 is 110377272541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145272773011 - 2¹⁷ = 145272641939 is a prime.

It is a super-2 number, since 2×145272773011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145272773017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72636386505 + 72636386506.

It is an arithmetic number, because the mean of its divisors is an integer number (72636386506).

Almost surely, 2^145272773011 is an apocalyptic number.

145272773011 is a deficient number, since it is larger than the sum of its proper divisors (1).

145272773011 is an equidigital number, since it uses as much as digits as its factorization.

145272773011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 145272773011 in words is "one hundred forty-five billion, two hundred seventy-two million, seven hundred seventy-three thousand, eleven".