45511151 has 6 divisors (see below), whose sum is σ = 52941600. Its totient is φ = 39009516.

The previous prime is 45511133. The next prime is 45511171. The reversal of 45511151 is 15111554.

It is a de Polignac number, because none of the positive numbers 2^k-45511151 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 (45511111) 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 5 ways as a sum of consecutive naturals, for example, 464351 + ... + 464448.

It is an arithmetic number, because the mean of its divisors is an integer number (8823600).

Almost surely, 2^45511151 is an apocalyptic number.

45511151 is a deficient number, since it is larger than the sum of its proper divisors (7430449).

45511151 is an equidigital number, since it uses as much as digits as its factorization.

45511151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928813 (or 928806 counting only the distinct ones).

The product of its digits is 500, while the sum is 23.

The square root of 45511151 is about 6746.1952980921. The cubic root of 45511151 is about 357.0310110188.

It can be divided in two parts, 455 and 11151, that multiplied together give a palindrome (5073705).

The spelling of 45511151 in words is "forty-five million, five hundred eleven thousand, one hundred fifty-one".