45988605 has 48 divisors (see below), whose sum is σ = 86661120. Its totient is φ = 22425984.

The previous prime is 45988603. The next prime is 45988609. The reversal of 45988605 is 50688954.

It is not a de Polignac number, because 45988605 - 2¹ = 45988603 is a prime.

It is a super-2 number, since 2×45988605² = 4229903579692050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45988603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73986 + ... + 74604.

It is an arithmetic number, because the mean of its divisors is an integer number (1805440).

Almost surely, 2^45988605 is an apocalyptic number.

45988605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45988605 is a deficient number, since it is larger than the sum of its proper divisors (40672515).

45988605 is a wasteful number, since it uses less digits than its factorization.

45988605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 45988605 is about 6781.4898805498. The cubic root of 45988605 is about 358.2751985492.

It can be divided in two parts, 4598 and 8605, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 45988605 in words is "forty-five million, nine hundred eighty-eight thousand, six hundred five".