145928071 has 4 divisors (see below), whose sum is σ = 145957144. Its totient is φ = 145899000.

The previous prime is 145928053. The next prime is 145928131. The reversal of 145928071 is 170829541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170829541 = 4093 ⋅41737.

It is a cyclic number.

It is not a de Polignac number, because 145928071 - 2⁹ = 145927559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145928071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145928021) 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, 4860 + ... + 17761.

It is an arithmetic number, because the mean of its divisors is an integer number (36489286).

Almost surely, 2^145928071 is an apocalyptic number.

145928071 is a deficient number, since it is larger than the sum of its proper divisors (29073).

145928071 is an equidigital number, since it uses as much as digits as its factorization.

145928071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29072.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 145928071 is about 12080.0691637093. The cubic root of 145928071 is about 526.4772555453.

The spelling of 145928071 in words is "one hundred forty-five million, nine hundred twenty-eight thousand, seventy-one".