1345002000 has 160 divisors (see below), whose sum is σ = 4382886144. Its totient is φ = 354816000.

The previous prime is 1345001989. The next prime is 1345002011. The reversal of 1345002000 is 2005431.

It is an interprime number because it is at equal distance from previous prime (1345001989) and next prime (1345002011).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 580845 + ... + 583155.

Almost surely, 2^1345002000 is an apocalyptic number.

1345002000 is a gapful number since it is divisible by the number (10) 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 1345002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2191443072).

1345002000 is an abundant number, since it is smaller than the sum of its proper divisors (3037884144).

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

1345002000 is a wasteful number, since it uses less digits than its factorization.

1345002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1345002000 is about 36674.2689088685. The cubic root of 1345002000 is about 1103.8438526271.

Adding to 1345002000 its reverse (2005431), we get a palindrome (1347007431).

The spelling of 1345002000 in words is "one billion, three hundred forty-five million, two thousand".