45687751 has 2 divisors, whose sum is σ = 45687752. Its totient is φ = 45687750.

The previous prime is 45687727. The next prime is 45687757. The reversal of 45687751 is 15778654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45687751 - 2¹³ = 45679559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45687698 and 45687707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45687757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22843875 + 22843876.

It is an arithmetic number, because the mean of its divisors is an integer number (22843876).

Almost surely, 2^45687751 is an apocalyptic number.

45687751 is a deficient number, since it is larger than the sum of its proper divisors (1).

45687751 is an equidigital number, since it uses as much as digits as its factorization.

45687751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 43.

The square root of 45687751 is about 6759.2714844131. The cubic root of 45687751 is about 357.4922188471.

The spelling of 45687751 in words is "forty-five million, six hundred eighty-seven thousand, seven hundred fifty-one".