45405134 has 4 divisors (see below), whose sum is σ = 68107704. Its totient is φ = 22702566.

The previous prime is 45405133. The next prime is 45405137. The reversal of 45405134 is 43150454.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45405131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11351282 + ... + 11351285.

It is an arithmetic number, because the mean of its divisors is an integer number (17026926).

Almost surely, 2^45405134 is an apocalyptic number.

45405134 is a deficient number, since it is larger than the sum of its proper divisors (22702570).

45405134 is a wasteful number, since it uses less digits than its factorization.

45405134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22702569.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 45405134 is about 6738.3331766840. Note that the first 3 decimals coincide. The cubic root of 45405134 is about 356.7535640987.

Adding to 45405134 its reverse (43150454), we get a palindrome (88555588).

The spelling of 45405134 in words is "forty-five million, four hundred five thousand, one hundred thirty-four".