1532145144 has 32 divisors (see below), whose sum is σ = 3831361920. Its totient is φ = 510581856.

The previous prime is 1532145133. The next prime is 1532145163. The reversal of 1532145144 is 4415412351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138357 + ... + 149019.

It is an arithmetic number, because the mean of its divisors is an integer number (119730060).

Almost surely, 2^1532145144 is an apocalyptic number.

It is an amenable number.

1532145144 is an abundant number, since it is smaller than the sum of its proper divisors (2299216776).

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

1532145144 is a wasteful number, since it uses less digits than its factorization.

1532145144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16659 (or 16655 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 1532145144 is about 39142.6256656346. The cubic root of 1532145144 is about 1152.8336281412.

Adding to 1532145144 its reverse (4415412351), we get a palindrome (5947557495).

The spelling of 1532145144 in words is "one billion, five hundred thirty-two million, one hundred forty-five thousand, one hundred forty-four".