5145662623 has 4 divisors (see below), whose sum is σ = 5150930400. Its totient is φ = 5140394848.

The previous prime is 5145662573. The next prime is 5145662633. The reversal of 5145662623 is 3262665415.

It is a happy number.

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 5145662623 - 2¹³ = 5145654431 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 (5145662633) 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 3 ways as a sum of consecutive naturals, for example, 2632423 + ... + 2634376.

It is an arithmetic number, because the mean of its divisors is an integer number (1287732600).

Almost surely, 2^5145662623 is an apocalyptic number.

5145662623 is a deficient number, since it is larger than the sum of its proper divisors (5267777).

5145662623 is an equidigital number, since it uses as much as digits as its factorization.

5145662623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267776.

The product of its digits is 259200, while the sum is 40.

The square root of 5145662623 is about 71733.2741689657. The cubic root of 5145662623 is about 1726.4225608156.

The spelling of 5145662623 in words is "five billion, one hundred forty-five million, six hundred sixty-two thousand, six hundred twenty-three".