45989505 has 64 divisors (see below), whose sum is σ = 89683200. Its totient is φ = 22256640.

The previous prime is 45989501. The next prime is 45989509. The reversal of 45989505 is 50598954.

45989505 is a `hidden beast` number, since 4 + 598 + 9 + 50 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (45989501) and next prime (45989509).

It is not a de Polignac number, because 45989505 - 2² = 45989501 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (45989501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66210 + ... + 66900.

It is an arithmetic number, because the mean of its divisors is an integer number (1401300).

Almost surely, 2^45989505 is an apocalyptic number.

45989505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45989505 is a deficient number, since it is larger than the sum of its proper divisors (43693695).

45989505 is a wasteful number, since it uses less digits than its factorization.

45989505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The square root of 45989505 is about 6781.5562373249. The cubic root of 45989505 is about 358.2775356903.

The spelling of 45989505 in words is "forty-five million, nine hundred eighty-nine thousand, five hundred five".