1515534045 has 32 divisors (see below), whose sum is σ = 2564158464. Its totient is φ = 763123200.

The previous prime is 1515534029. The next prime is 1515534049. The reversal of 1515534045 is 5404355151.

It is not a de Polignac number, because 1515534045 - 2⁴ = 1515534029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1515533997 and 1515534015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515534049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20682 + ... + 58811.

It is an arithmetic number, because the mean of its divisors is an integer number (80129952).

Almost surely, 2^1515534045 is an apocalyptic number.

1515534045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1515534045 is a deficient number, since it is larger than the sum of its proper divisors (1048624419).

1515534045 is a wasteful number, since it uses less digits than its factorization.

1515534045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79573.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1515534045 is about 38929.8605828482. The cubic root of 1515534045 is about 1148.6522446666.

Adding to 1515534045 its reverse (5404355151), we get a palindrome (6919889196).

The spelling of 1515534045 in words is "one billion, five hundred fifteen million, five hundred thirty-four thousand, forty-five".