1545500045 has 8 divisors (see below), whose sum is σ = 1918551960. Its totient is φ = 1193765440.

The previous prime is 1545500017. The next prime is 1545500051. The reversal of 1545500045 is 5400055451.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 415262884 + 1130237161 = 20378^2 + 33619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1545500045 - 2¹⁶ = 1545434509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 1545499990 and 1545500017.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5329166 + ... + 5329455.

It is an arithmetic number, because the mean of its divisors is an integer number (239818995).

Almost surely, 2^1545500045 is an apocalyptic number.

It is an amenable number.

1545500045 is a deficient number, since it is larger than the sum of its proper divisors (373051915).

1545500045 is a wasteful number, since it uses less digits than its factorization.

1545500045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10658655.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 1545500045 is about 39312.8483450385. The cubic root of 1545500045 is about 1156.1734904524.

Adding to 1545500045 its reverse (5400055451), we get a palindrome (6945555496).

The spelling of 1545500045 in words is "one billion, five hundred forty-five million, five hundred thousand, forty-five".