1345650460 has 144 divisors (see below), whose sum is σ = 3652346880. Its totient is φ = 404570880.

The previous prime is 1345650451. The next prime is 1345650479. The reversal of 1345650460 is 640565431.

It is a congruent number.

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, 1294621 + ... + 1295659.

It is an arithmetic number, because the mean of its divisors is an integer number (25363520).

Almost surely, 2^1345650460 is an apocalyptic number.

1345650460 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 1345650460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826173440).

1345650460 is an abundant number, since it is smaller than the sum of its proper divisors (2306696420).

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

1345650460 is a wasteful number, since it uses less digits than its factorization.

1345650460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 1345650460 is about 36683.1086468963. The cubic root of 1345650460 is about 1104.0212212804.

The spelling of 1345650460 in words is "one billion, three hundred forty-five million, six hundred fifty thousand, four hundred sixty".