1345333248 has 144 divisors (see below), whose sum is σ = 4441076640. Its totient is φ = 384344064.

The previous prime is 1345333237. The next prime is 1345333261. The reversal of 1345333248 is 8423335431.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123811 + ... + 134237.

It is an arithmetic number, because the mean of its divisors is an integer number (30840810).

Almost surely, 2^1345333248 is an apocalyptic number.

1345333248 is a gapful number since it is divisible by the number (18) 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 1345333248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2220538320).

1345333248 is an abundant number, since it is smaller than the sum of its proper divisors (3095743392).

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

1345333248 is a wasteful number, since it uses less digits than its factorization.

1345333248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10462 (or 10439 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 1345333248 is about 36678.7847126919. The cubic root of 1345333248 is about 1103.9344636585.

Adding to 1345333248 its reverse (8423335431), we get a palindrome (9768668679).

The spelling of 1345333248 in words is "one billion, three hundred forty-five million, three hundred thirty-three thousand, two hundred forty-eight".