145030161 has 16 divisors (see below), whose sum is σ = 198455040. Its totient is φ = 94154880.

The previous prime is 145030153. The next prime is 145030181. The reversal of 145030161 is 161030541.

It is not a de Polignac number, because 145030161 - 2³ = 145030153 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (145030181) 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, 130936 + ... + 132038.

It is an arithmetic number, because the mean of its divisors is an integer number (12403440).

Almost surely, 2^145030161 is an apocalyptic number.

It is an amenable number.

145030161 is a deficient number, since it is larger than the sum of its proper divisors (53424879).

145030161 is a wasteful number, since it uses less digits than its factorization.

145030161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 145030161 is about 12042.8468810327. The cubic root of 145030161 is about 525.3952108076.

The spelling of 145030161 in words is "one hundred forty-five million, thirty thousand, one hundred sixty-one".