145701473 has 4 divisors (see below), whose sum is σ = 145771668. Its totient is φ = 145631280.

The previous prime is 145701467. The next prime is 145701497. The reversal of 145701473 is 374107541.

145701473 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: 374107541 = 3271 ⋅114371.

It can be written as a sum of positive squares in 2 ways, for example, as 90763729 + 54937744 = 9527^2 + 7412^2 .

It is a cyclic number.

It is not a de Polignac number, because 145701473 - 2⁸ = 145701217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145701433) 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, 31886 + ... + 36167.

It is an arithmetic number, because the mean of its divisors is an integer number (36442917).

Almost surely, 2^145701473 is an apocalyptic number.

It is an amenable number.

145701473 is a deficient number, since it is larger than the sum of its proper divisors (70195).

145701473 is an equidigital number, since it uses as much as digits as its factorization.

145701473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70194.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 145701473 is about 12070.6865173444. The cubic root of 145701473 is about 526.2046086746.

The spelling of 145701473 in words is "one hundred forty-five million, seven hundred one thousand, four hundred seventy-three".