45031534 has 4 divisors (see below), whose sum is σ = 67547304. Its totient is φ = 22515766.

The previous prime is 45031531. The next prime is 45031541. The reversal of 45031534 is 43513054.

45031534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 45031499 and 45031508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45031531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11257882 + ... + 11257885.

It is an arithmetic number, because the mean of its divisors is an integer number (16886826).

Almost surely, 2^45031534 is an apocalyptic number.

45031534 is a deficient number, since it is larger than the sum of its proper divisors (22515770).

45031534 is a wasteful number, since it uses less digits than its factorization.

45031534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22515769.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 45031534 is about 6710.5539264654. The cubic root of 45031534 is about 355.7723948075.

Adding to 45031534 its reverse (43513054), we get a palindrome (88544588).

The spelling of 45031534 in words is "forty-five million, thirty-one thousand, five hundred thirty-four".