145460071 has 4 divisors (see below), whose sum is σ = 145524600. Its totient is φ = 145395544.

The previous prime is 145460069. The next prime is 145460089. The reversal of 145460071 is 170064541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170064541 = 227 ⋅749183.

It is a cyclic number.

It is not a de Polignac number, because 145460071 - 2¹ = 145460069 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145464071) 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, 28756 + ... + 33433.

It is an arithmetic number, because the mean of its divisors is an integer number (36381150).

Almost surely, 2^145460071 is an apocalyptic number.

145460071 is a deficient number, since it is larger than the sum of its proper divisors (64529).

145460071 is an equidigital number, since it uses as much as digits as its factorization.

145460071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64528.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 145460071 is about 12060.6828579480. The cubic root of 145460071 is about 525.9138381908.

The spelling of 145460071 in words is "one hundred forty-five million, four hundred sixty thousand, seventy-one".