45729401 has 2 divisors, whose sum is σ = 45729402. Its totient is φ = 45729400.

The previous prime is 45729379. The next prime is 45729403. The reversal of 45729401 is 10492754.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31629376 + 14100025 = 5624^2 + 3755^2 .

It is a cyclic number.

It is not a de Polignac number, because 45729401 - 2¹⁰ = 45728377 is a prime.

Together with 45729403, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_2759702 and since 45729401 and 2759702 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (45729403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22864700 + 22864701.

It is an arithmetic number, because the mean of its divisors is an integer number (22864701).

Almost surely, 2^45729401 is an apocalyptic number.

It is an amenable number.

45729401 is a deficient number, since it is larger than the sum of its proper divisors (1).

45729401 is an equidigital number, since it uses as much as digits as its factorization.

45729401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 45729401 is about 6762.3517358978. The cubic root of 45729401 is about 357.6008185507.

The spelling of 45729401 in words is "forty-five million, seven hundred twenty-nine thousand, four hundred one".