45077989 has 8 divisors (see below), whose sum is σ = 49230720. Its totient is φ = 40934400.

The previous prime is 45077987. The next prime is 45077993. The reversal of 45077989 is 98977054.

It is a happy number.

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 45077989 - 2¹ = 45077987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45077987) 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 7 ways as a sum of consecutive naturals, for example, 11877 + ... + 15205.

It is an arithmetic number, because the mean of its divisors is an integer number (6153840).

Almost surely, 2^45077989 is an apocalyptic number.

It is an amenable number.

45077989 is a deficient number, since it is larger than the sum of its proper divisors (4152731).

45077989 is a wasteful number, since it uses less digits than its factorization.

45077989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4571.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 45077989 is about 6714.0143729367. The cubic root of 45077989 is about 355.8946922667.

The spelling of 45077989 in words is "forty-five million, seventy-seven thousand, nine hundred eighty-nine".