145034121 has 8 divisors (see below), whose sum is σ = 194040000. Its totient is φ = 96358832.

The previous prime is 145034107. The next prime is 145034167. The reversal of 145034121 is 121430541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145034121 is a prime.

It is a super-3 number, since 3×145034121³ (a number of 25 digits) contains 333 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145034171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81621 + ... + 83378.

It is an arithmetic number, because the mean of its divisors is an integer number (24255000).

Almost surely, 2^145034121 is an apocalyptic number.

It is an amenable number.

145034121 is a deficient number, since it is larger than the sum of its proper divisors (49005879).

145034121 is a wasteful number, since it uses less digits than its factorization.

145034121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165295.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 145034121 is about 12043.0112928619. The cubic root of 145034121 is about 525.3999926775.

Adding to 145034121 its reverse (121430541), we get a palindrome (266464662).

The spelling of 145034121 in words is "one hundred forty-five million, thirty-four thousand, one hundred twenty-one".