145125060321 has 8 divisors (see below), whose sum is σ = 194084674144. Its totient is φ = 96457743360.

The previous prime is 145125060307. The next prime is 145125060347. The reversal of 145125060321 is 123060521541.

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

It is not a de Polignac number, because 145125060321 - 2²⁶ = 145057951457 is a prime.

It is a super-2 number, since 2×145125060321² (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 (145125040321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73073056 + ... + 73075041.

It is an arithmetic number, because the mean of its divisors is an integer number (24260584268).

Almost surely, 2^145125060321 is an apocalyptic number.

It is an amenable number.

145125060321 is a deficient number, since it is larger than the sum of its proper divisors (48959613823).

145125060321 is a wasteful number, since it uses less digits than its factorization.

145125060321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146148431.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 145125060321 its reverse (123060521541), we get a palindrome (268185581862).

The spelling of 145125060321 in words is "one hundred forty-five billion, one hundred twenty-five million, sixty thousand, three hundred twenty-one".