45150823 has 4 divisors (see below), whose sum is σ = 45226800. Its totient is φ = 45074848.

The previous prime is 45150779. The next prime is 45150829. The reversal of 45150823 is 32805154.

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

It is a cyclic number.

It is not a de Polignac number, because 45150823 - 2¹³ = 45142631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45150791 and 45150800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45150829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37090 + ... + 38287.

It is an arithmetic number, because the mean of its divisors is an integer number (11306700).

Almost surely, 2^45150823 is an apocalyptic number.

45150823 is a deficient number, since it is larger than the sum of its proper divisors (75977).

45150823 is an equidigital number, since it uses as much as digits as its factorization.

45150823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75976.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 45150823 is about 6719.4362114689. The cubic root of 45150823 is about 356.0862660740.

Adding to 45150823 its reverse (32805154), we get a palindrome (77955977).

The spelling of 45150823 in words is "forty-five million, one hundred fifty thousand, eight hundred twenty-three".