1345365450 has 480 divisors, whose sum is σ = 4627953792. Its totient is φ = 285120000.

The previous prime is 1345365421. The next prime is 1345365451. The reversal of 1345365450 is 545635431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345365451) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 13320400 + ... + 13320500.

Almost surely, 2^1345365450 is an apocalyptic number.

1345365450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345365450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2313976896).

1345365450 is an abundant number, since it is smaller than the sum of its proper divisors (3282588342).

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

1345365450 is a wasteful number, since it uses less digits than its factorization.

1345365450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 1345365450 is about 36679.2236831697. The cubic root of 1345365450 is about 1103.9432715416.

The spelling of 1345365450 in words is "one billion, three hundred forty-five million, three hundred sixty-five thousand, four hundred fifty".