145460131 has 4 divisors (see below), whose sum is σ = 145806064. Its totient is φ = 145114200.

The previous prime is 145460123. The next prime is 145460137. The reversal of 145460131 is 131064541.

145460131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131064541 = 1667 ⋅78623.

It is a cyclic number.

It is not a de Polignac number, because 145460131 - 2³ = 145460123 is a prime.

It is a super-2 number, since 2×145460131² = 42317299421074322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145460096 and 145460105.

It is not an unprimeable number, because it can be changed into a prime (145460137) 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, 172335 + ... + 173176.

It is an arithmetic number, because the mean of its divisors is an integer number (36451516).

Almost surely, 2^145460131 is an apocalyptic number.

145460131 is a deficient number, since it is larger than the sum of its proper divisors (345933).

145460131 is an equidigital number, since it uses as much as digits as its factorization.

145460131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345932.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 145460131 is about 12060.6853453691. The cubic root of 145460131 is about 525.9139105011.

The spelling of 145460131 in words is "one hundred forty-five million, four hundred sixty thousand, one hundred thirty-one".