45840077 has 4 divisors (see below), whose sum is σ = 47079036. Its totient is φ = 44601120.

The previous prime is 45840037. The next prime is 45840079. The reversal of 45840077 is 77004854.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18267076 + 27573001 = 4274^2 + 5251^2 .

It is a cyclic number.

It is not a de Polignac number, because 45840077 - 2⁶ = 45840013 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 (45840079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619424 + ... + 619497.

It is an arithmetic number, because the mean of its divisors is an integer number (11769759).

Almost surely, 2^45840077 is an apocalyptic number.

It is an amenable number.

45840077 is a deficient number, since it is larger than the sum of its proper divisors (1238959).

45840077 is a wasteful number, since it uses less digits than its factorization.

45840077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238958.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 45840077 is about 6770.5300383353. The cubic root of 45840077 is about 357.8890790639.

The spelling of 45840077 in words is "forty-five million, eight hundred forty thousand, seventy-seven".