145160121 has 8 divisors (see below), whose sum is σ = 194846400. Its totient is φ = 96123632.

The previous prime is 145160117. The next prime is 145160137. The reversal of 145160121 is 121061541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145160121 - 2² = 145160117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145160101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161925 + ... + 162818.

It is an arithmetic number, because the mean of its divisors is an integer number (24355800).

Almost surely, 2^145160121 is an apocalyptic number.

It is an amenable number.

145160121 is a deficient number, since it is larger than the sum of its proper divisors (49686279).

145160121 is a wasteful number, since it uses less digits than its factorization.

145160121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324895.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 145160121 is about 12048.2414069440. The cubic root of 145160121 is about 525.5520976606.

The spelling of 145160121 in words is "one hundred forty-five million, one hundred sixty thousand, one hundred twenty-one".