1545045532 has 24 divisors (see below), whose sum is σ = 2716610400. Its totient is φ = 768880896.

The previous prime is 1545045521. The next prime is 1545045533. The reversal of 1545045532 is 2355405451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545045533) 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, 1367944 + ... + 1369072.

It is an arithmetic number, because the mean of its divisors is an integer number (113192100).

Almost surely, 2^1545045532 is an apocalyptic number.

It is an amenable number.

1545045532 is a deficient number, since it is larger than the sum of its proper divisors (1171564868).

1545045532 is a wasteful number, since it uses less digits than its factorization.

1545045532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 1545045532 is about 39307.0672017132. The cubic root of 1545045532 is about 1156.0601404279.

The spelling of 1545045532 in words is "one billion, five hundred forty-five million, forty-five thousand, five hundred thirty-two".