45787451 has 2 divisors, whose sum is σ = 45787452. Its totient is φ = 45787450.

The previous prime is 45787439. The next prime is 45787493. The reversal of 45787451 is 15478754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45787451 - 2¹⁸ = 45525307 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45787399 and 45787408.

It is not a weakly prime, because it can be changed into another prime (45787051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22893725 + 22893726.

It is an arithmetic number, because the mean of its divisors is an integer number (22893726).

Almost surely, 2^45787451 is an apocalyptic number.

45787451 is a deficient number, since it is larger than the sum of its proper divisors (1).

45787451 is an equidigital number, since it uses as much as digits as its factorization.

45787451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 41.

The square root of 45787451 is about 6766.6425204824. The cubic root of 45787451 is about 357.7520702573.

The spelling of 45787451 in words is "forty-five million, seven hundred eighty-seven thousand, four hundred fifty-one".