45779909 has 8 divisors (see below), whose sum is σ = 52908480. Its totient is φ = 38798496.

The previous prime is 45779897. The next prime is 45779933. The reversal of 45779909 is 90997754.

45779909 = T₄₄₇ + T₄₄₈ + ... + T₇₁₃.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45779909 - 2¹⁶ = 45714373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45779999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36119 + ... + 37364.

It is an arithmetic number, because the mean of its divisors is an integer number (6613560).

Almost surely, 2^45779909 is an apocalyptic number.

It is an amenable number.

45779909 is a deficient number, since it is larger than the sum of its proper divisors (7128571).

45779909 is an equidigital number, since it uses as much as digits as its factorization.

45779909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73579.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 45779909 is about 6766.0852049025. The cubic root of 45779909 is about 357.7324264887.

The spelling of 45779909 in words is "forty-five million, seven hundred seventy-nine thousand, nine hundred nine".