1285453152 has 60 divisors (see below), whose sum is σ = 3780489636. Its totient is φ = 428483520.

The previous prime is 1285453129. The next prime is 1285453153. The reversal of 1285453152 is 2513545821.

1285453152 is a `hidden beast` number, since 1 + 28 + 54 + 531 + 52 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285453153) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 245374 + ... + 250557.

Almost surely, 2^1285453152 is an apocalyptic number.

1285453152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1285453152 is an abundant number, since it is smaller than the sum of its proper divisors (2495036484).

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

1285453152 is an equidigital number, since it uses as much as digits as its factorization.

1285453152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495953 (or 495936 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 1285453152 is about 35853.2167594485. The cubic root of 1285453152 is about 1087.3067509173.

Adding to 1285453152 its reverse (2513545821), we get a palindrome (3798998973).

The spelling of 1285453152 in words is "one billion, two hundred eighty-five million, four hundred fifty-three thousand, one hundred fifty-two".