45742517 has 2 divisors, whose sum is σ = 45742518. Its totient is φ = 45742516.

The previous prime is 45742507. The next prime is 45742547. The reversal of 45742517 is 71524754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34175716 + 11566801 = 5846^2 + 3401^2 .

It is a cyclic number.

It is not a de Polignac number, because 45742517 - 2¹⁴ = 45726133 is a prime.

It is a super-2 number, since 2×45742517² = 4184755722990578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45742507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22871258 + 22871259.

It is an arithmetic number, because the mean of its divisors is an integer number (22871259).

Almost surely, 2^45742517 is an apocalyptic number.

It is an amenable number.

45742517 is a deficient number, since it is larger than the sum of its proper divisors (1).

45742517 is an equidigital number, since it uses as much as digits as its factorization.

45742517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39200, while the sum is 35.

The square root of 45742517 is about 6763.3214473364. The cubic root of 45742517 is about 357.6350040264.

The spelling of 45742517 in words is "forty-five million, seven hundred forty-two thousand, five hundred seventeen".