152705173 has 2 divisors, whose sum is σ = 152705174. Its totient is φ = 152705172.

The previous prime is 152705159. The next prime is 152705191. The reversal of 152705173 is 371507251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116488849 + 36216324 = 10793^2 + 6018^2 .

It is a cyclic number.

It is not a de Polignac number, because 152705173 - 2²¹ = 150608021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152705573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76352586 + 76352587.

It is an arithmetic number, because the mean of its divisors is an integer number (76352587).

Almost surely, 2^152705173 is an apocalyptic number.

It is an amenable number.

152705173 is a deficient number, since it is larger than the sum of its proper divisors (1).

152705173 is an equidigital number, since it uses as much as digits as its factorization.

152705173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 152705173 is about 12357.3934549322. The cubic root of 152705173 is about 534.5043571019.

The spelling of 152705173 in words is "one hundred fifty-two million, seven hundred five thousand, one hundred seventy-three".