45779220 has 36 divisors (see below), whose sum is σ = 138864180. Its totient is φ = 12207744.

The previous prime is 45779183. The next prime is 45779243. The reversal of 45779220 is 2297754.

It can be written as a sum of positive squares in 2 ways, for example, as 5253264 + 40525956 = 2292^2 + 6366^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×45779220³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 126985 + ... + 127344.

Almost surely, 2^45779220 is an apocalyptic number.

It is an amenable number.

45779220 is an abundant number, since it is smaller than the sum of its proper divisors (93084960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45779220 is a wasteful number, since it uses less digits than its factorization.

45779220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254344 (or 254339 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 45779220 is about 6766.0342890056. The cubic root of 45779220 is about 357.7306318232.

The spelling of 45779220 in words is "forty-five million, seven hundred seventy-nine thousand, two hundred twenty".