145143350121 has 64 divisors (see below), whose sum is σ = 247243898880. Its totient is φ = 73539627840.

The previous prime is 145143350101. The next prime is 145143350141. The reversal of 145143350121 is 121053341541.

It is an interprime number because it is at equal distance from previous prime (145143350101) and next prime (145143350141).

It is not a de Polignac number, because 145143350121 - 2⁹ = 145143349609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145143350101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7131666 + ... + 7151988.

It is an arithmetic number, because the mean of its divisors is an integer number (3863185920).

Almost surely, 2^145143350121 is an apocalyptic number.

145143350121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145143350121 is a deficient number, since it is larger than the sum of its proper divisors (102100548759).

145143350121 is a wasteful number, since it uses less digits than its factorization.

145143350121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21106.

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

Adding to 145143350121 its reverse (121053341541), we get a palindrome (266196691662).

The spelling of 145143350121 in words is "one hundred forty-five billion, one hundred forty-three million, three hundred fifty thousand, one hundred twenty-one".