45358409 has 2 divisors, whose sum is σ = 45358410. Its totient is φ = 45358408.

The previous prime is 45358387. The next prime is 45358501. The reversal of 45358409 is 90485354.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43930384 + 1428025 = 6628^2 + 1195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45358409 is a prime.

It is a super-2 number, since 2×45358409² = 4114770534022562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45348409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22679204 + 22679205.

It is an arithmetic number, because the mean of its divisors is an integer number (22679205).

Almost surely, 2^45358409 is an apocalyptic number.

It is an amenable number.

45358409 is a deficient number, since it is larger than the sum of its proper divisors (1).

45358409 is an equidigital number, since it uses as much as digits as its factorization.

45358409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 45358409 is about 6734.8651805363. The cubic root of 45358409 is about 356.6311474610.

The spelling of 45358409 in words is "forty-five million, three hundred fifty-eight thousand, four hundred nine".