1345321152 has 336 divisors, whose sum is σ = 4678801920. Its totient is φ = 361304064.

The previous prime is 1345321141. The next prime is 1345321183. The reversal of 1345321152 is 2511235431.

1345321152 is a `hidden beast` number, since 13 + 4 + 532 + 115 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

Its product of digits (3600) is a multiple of the sum of its prime factors (300).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8253423 + ... + 8253585.

Almost surely, 2^1345321152 is an apocalyptic number.

1345321152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345321152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2339400960).

1345321152 is an abundant number, since it is smaller than the sum of its proper divisors (3333480768).

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

1345321152 is a wasteful number, since it uses less digits than its factorization.

1345321152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 287 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1345321152 is about 36678.6198213619. The cubic root of 1345321152 is about 1103.9311551272.

Adding to 1345321152 its reverse (2511235431), we get a palindrome (3856556583).

The spelling of 1345321152 in words is "one billion, three hundred forty-five million, three hundred twenty-one thousand, one hundred fifty-two".