1545513132 has 24 divisors (see below), whose sum is σ = 3607628976. Its totient is φ = 514966528.

The previous prime is 1545513127. The next prime is 1545513133. The reversal of 1545513132 is 2313155451.

It is a super-2 number, since 2×1545513132² = 4777221682368898848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1545513132.

It is not an unprimeable number, because it can be changed into a prime (1545513133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7648 + ... + 56120.

It is an arithmetic number, because the mean of its divisors is an integer number (150317874).

Almost surely, 2^1545513132 is an apocalyptic number.

1545513132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1545513132 is an abundant number, since it is smaller than the sum of its proper divisors (2062115844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1545513132 is a wasteful number, since it uses less digits than its factorization.

1545513132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51137 (or 51135 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 1545513132 is about 39313.0147915420. The cubic root of 1545513132 is about 1156.1767538622.

Adding to 1545513132 its reverse (2313155451), we get a palindrome (3858668583).

The spelling of 1545513132 in words is "one billion, five hundred forty-five million, five hundred thirteen thousand, one hundred thirty-two".