145677161 has 16 divisors (see below), whose sum is σ = 177730560. Its totient is φ = 116620560.

The previous prime is 145677139. The next prime is 145677167. The reversal of 145677161 is 161776541.

It is not a de Polignac number, because 145677161 - 2¹⁰ = 145676137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145677167) 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, 1730 + ... + 17156.

It is an arithmetic number, because the mean of its divisors is an integer number (11108160).

Almost surely, 2^145677161 is an apocalyptic number.

It is an amenable number.

145677161 is a deficient number, since it is larger than the sum of its proper divisors (32053399).

145677161 is a wasteful number, since it uses less digits than its factorization.

145677161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15524.

The product of its digits is 35280, while the sum is 38.

The square root of 145677161 is about 12069.6794075071. The cubic root of 145677161 is about 526.1753392425.

The spelling of 145677161 in words is "one hundred forty-five million, six hundred seventy-seven thousand, one hundred sixty-one".