15145573 has 2 divisors, whose sum is σ = 15145574. Its totient is φ = 15145572.

The previous prime is 15145561. The next prime is 15145583. The reversal of 15145573 is 37554151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14265729 + 879844 = 3777^2 + 938^2 .

It is a cyclic number.

It is not a de Polignac number, because 15145573 - 2¹⁷ = 15014501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15145583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7572786 + 7572787.

It is an arithmetic number, because the mean of its divisors is an integer number (7572787).

Almost surely, 2^15145573 is an apocalyptic number.

It is an amenable number.

15145573 is a deficient number, since it is larger than the sum of its proper divisors (1).

15145573 is an equidigital number, since it uses as much as digits as its factorization.

15145573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10500, while the sum is 31.

The square root of 15145573 is about 3891.7313627742. The cubic root of 15145573 is about 247.4164490283.

The spelling of 15145573 in words is "fifteen million, one hundred forty-five thousand, five hundred seventy-three".