1345424052 has 96 divisors (see below), whose sum is σ = 3701985280. Its totient is φ = 372366720.

The previous prime is 1345424051. The next prime is 1345424053. The reversal of 1345424052 is 2504245431.

It is an interprime number because it is at equal distance from previous prime (1345424051) and next prime (1345424053).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345424051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341349 + ... + 345267.

Almost surely, 2^1345424052 is an apocalyptic number.

1345424052 is a gapful number since it is divisible by the number (12) 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 1345424052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1850992640).

1345424052 is an abundant number, since it is smaller than the sum of its proper divisors (2356561228).

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

1345424052 is a wasteful number, since it uses less digits than its factorization.

1345424052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061 (or 4059 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1345424052 is about 36680.0225190771. The cubic root of 1345424052 is about 1103.9592999856.

Adding to 1345424052 its reverse (2504245431), we get a palindrome (3849669483).

The spelling of 1345424052 in words is "one billion, three hundred forty-five million, four hundred twenty-four thousand, fifty-two".