145363721153161 has 16 divisors (see below), whose sum is σ = 166247841752064. Its totient is φ = 124509077907984.

The previous prime is 145363721153143. The next prime is 145363721153173. The reversal of 145363721153161 is 161351127363541.

It is not a de Polignac number, because 145363721153161 - 2⁹ = 145363721152649 is a prime.

It is a super-2 number, since 2×145363721153161² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145363721153461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206760316 + ... + 207462178.

It is an arithmetic number, because the mean of its divisors is an integer number (10390490109504).

Almost surely, 2^{145363721153161} is an apocalyptic number.

It is an amenable number.

145363721153161 is a deficient number, since it is larger than the sum of its proper divisors (20884120598903).

145363721153161 is a wasteful number, since it uses less digits than its factorization.

145363721153161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722820.

The product of its digits is 1360800, while the sum is 49.

The spelling of 145363721153161 in words is "one hundred forty-five trillion, three hundred sixty-three billion, seven hundred twenty-one million, one hundred fifty-three thousand, one hundred sixty-one".