145703713 has 4 divisors (see below), whose sum is σ = 148803840. Its totient is φ = 142603588.

The previous prime is 145703699. The next prime is 145703773. The reversal of 145703713 is 317307541.

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 a de Polignac number, because none of the positive numbers 2^k-145703713 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145703773) 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, 1549993 + ... + 1550086.

It is an arithmetic number, because the mean of its divisors is an integer number (37200960).

Almost surely, 2^145703713 is an apocalyptic number.

It is an amenable number.

145703713 is a deficient number, since it is larger than the sum of its proper divisors (3100127).

145703713 is an equidigital number, since it uses as much as digits as its factorization.

145703713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100126.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 145703713 is about 12070.7793037567. The cubic root of 145703713 is about 526.2073052666.

The spelling of 145703713 in words is "one hundred forty-five million, seven hundred three thousand, seven hundred thirteen".