45299551 has 16 divisors (see below), whose sum is σ = 50641920. Its totient is φ = 40173120.

The previous prime is 45299549. The next prime is 45299557. The reversal of 45299551 is 15599254.

It is a cyclic number.

It is not a de Polignac number, because 45299551 - 2¹ = 45299549 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 (45299557) 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 15 ways as a sum of consecutive naturals, for example, 144571 + ... + 144883.

It is an arithmetic number, because the mean of its divisors is an integer number (3165120).

Almost surely, 2^45299551 is an apocalyptic number.

45299551 is a deficient number, since it is larger than the sum of its proper divisors (5342369).

45299551 is a wasteful number, since it uses less digits than its factorization.

45299551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its digits is 81000, while the sum is 40.

The square root of 45299551 is about 6730.4941126191. The cubic root of 45299551 is about 356.4768233980.

The spelling of 45299551 in words is "forty-five million, two hundred ninety-nine thousand, five hundred fifty-one".