145730701 has 2 divisors, whose sum is σ = 145730702. Its totient is φ = 145730700.

The previous prime is 145730699. The next prime is 145730707. The reversal of 145730701 is 107037541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145226601 + 504100 = 12051^2 + 710^2 .

It is a cyclic number.

It is not a de Polignac number, because 145730701 - 2¹ = 145730699 is a prime.

Together with 145730699, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 145730701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145730707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72865350 + 72865351.

It is an arithmetic number, because the mean of its divisors is an integer number (72865351).

Almost surely, 2^145730701 is an apocalyptic number.

It is an amenable number.

145730701 is a deficient number, since it is larger than the sum of its proper divisors (1).

145730701 is an equidigital number, since it uses as much as digits as its factorization.

145730701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 145730701 is about 12071.8971582763. The cubic root of 145730701 is about 526.2397922127.

The spelling of 145730701 in words is "one hundred forty-five million, seven hundred thirty thousand, seven hundred one".