45154427 has 2 divisors, whose sum is σ = 45154428. Its totient is φ = 45154426.

The previous prime is 45154409. The next prime is 45154441. The reversal of 45154427 is 72445154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45154427 - 2¹² = 45150331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45154393 and 45154402.

It is not a weakly prime, because it can be changed into another prime (45154477) 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, 22577213 + 22577214.

It is an arithmetic number, because the mean of its divisors is an integer number (22577214).

Almost surely, 2^45154427 is an apocalyptic number.

45154427 is a deficient number, since it is larger than the sum of its proper divisors (1).

45154427 is an equidigital number, since it uses as much as digits as its factorization.

45154427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 32.

The square root of 45154427 is about 6719.7043833788. The cubic root of 45154427 is about 356.0957402517.

The spelling of 45154427 in words is "forty-five million, one hundred fifty-four thousand, four hundred twenty-seven".