145135141 has 4 divisors (see below), whose sum is σ = 145160800. Its totient is φ = 145109484.

The previous prime is 145135139. The next prime is 145135157. The reversal of 145135141 is 141531541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145135141 - 2¹ = 145135139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145135241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201 + ... + 17038.

It is an arithmetic number, because the mean of its divisors is an integer number (36290200).

Almost surely, 2^145135141 is an apocalyptic number.

It is an amenable number.

145135141 is a deficient number, since it is larger than the sum of its proper divisors (25659).

145135141 is an equidigital number, since it uses as much as digits as its factorization.

145135141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25658.

The product of its digits is 1200, while the sum is 25.

The square root of 145135141 is about 12047.2046965261. The cubic root of 145135141 is about 525.5219492414.

Adding to 145135141 its reverse (141531541), we get a palindrome (286666682).

The spelling of 145135141 in words is "one hundred forty-five million, one hundred thirty-five thousand, one hundred forty-one".