45312134 has 16 divisors (see below), whose sum is σ = 79573536. Its totient is φ = 18945600.

The previous prime is 45312133. The next prime is 45312143. The reversal of 45312134 is 43121354.

45312134 = 442² + 443² + ... + 605².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45312133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38897 + ... + 40044.

It is an arithmetic number, because the mean of its divisors is an integer number (4973346).

Almost surely, 2^45312134 is an apocalyptic number.

45312134 is a deficient number, since it is larger than the sum of its proper divisors (34261402).

45312134 is a wasteful number, since it uses less digits than its factorization.

45312134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78991.

The product of its digits is 1440, while the sum is 23.

The square root of 45312134 is about 6731.4288230657. The cubic root of 45312134 is about 356.5098269085.

Adding to 45312134 its reverse (43121354), we get a palindrome (88433488).

The spelling of 45312134 in words is "forty-five million, three hundred twelve thousand, one hundred thirty-four".