1345430625 has 80 divisors (see below), whose sum is σ = 2795105280. Its totient is φ = 559080000.

The previous prime is 1345430591. The next prime is 1345430627. The reversal of 1345430625 is 5260345431.

It is not a de Polignac number, because 1345430625 - 2¹¹ = 1345428577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1345430627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 139716 + ... + 149034.

It is an arithmetic number, because the mean of its divisors is an integer number (34938816).

Almost surely, 2^1345430625 is an apocalyptic number.

1345430625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345430625 is an abundant number, since it is smaller than the sum of its proper divisors (1449674655).

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

1345430625 is an equidigital number, since it uses as much as digits as its factorization.

1345430625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360 (or 9345 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 1345430625 is about 36680.1121181493. The cubic root of 1345430625 is about 1103.9610977615.

The spelling of 1345430625 in words is "one billion, three hundred forty-five million, four hundred thirty thousand, six hundred twenty-five".