145040154161 has 16 divisors (see below), whose sum is σ = 165944160000. Its totient is φ = 124182244608.

The previous prime is 145040154151. The next prime is 145040154167. The reversal of 145040154161 is 161451040541.

It is a cyclic number.

It is not a de Polignac number, because 145040154161 - 2²⁶ = 144973045297 is a prime.

It is a super-2 number, since 2×145040154161² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145040154167) 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, 45196325 + ... + 45199533.

It is an arithmetic number, because the mean of its divisors is an integer number (10371510000).

Almost surely, 2^145040154161 is an apocalyptic number.

It is an amenable number.

145040154161 is a deficient number, since it is larger than the sum of its proper divisors (20904005839).

145040154161 is a wasteful number, since it uses less digits than its factorization.

145040154161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 145040154161 in words is "one hundred forty-five billion, forty million, one hundred fifty-four thousand, one hundred sixty-one".