1545315132 has 24 divisors (see below), whose sum is σ = 3606498000. Its totient is φ = 514996096.

The previous prime is 1545315131. The next prime is 1545315139. The reversal of 1545315132 is 2315135451.

It is a self number, because there is not a number n which added to its sum of digits gives 1545315132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545315131) 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, 62494 + ... + 83642.

It is an arithmetic number, because the mean of its divisors is an integer number (150270750).

Almost surely, 2^1545315132 is an apocalyptic number.

1545315132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1545315132 is an abundant number, since it is smaller than the sum of its proper divisors (2061182868).

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

1545315132 is a wasteful number, since it uses less digits than its factorization.

1545315132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27245 (or 27243 counting only the distinct ones).

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

The square root of 1545315132 is about 39310.4964608691. The cubic root of 1545315132 is about 1156.1273780768.

The spelling of 1545315132 in words is "one billion, five hundred forty-five million, three hundred fifteen thousand, one hundred thirty-two".