1345420341 has 32 divisors (see below), whose sum is σ = 2114449920. Its totient is φ = 842591232.

The previous prime is 1345420283. The next prime is 1345420357. The reversal of 1345420341 is 1430245431.

It is a happy number.

1345420341 is a `hidden beast` number, since 1 + 3 + 454 + 203 + 4 + 1 = 666.

It is not a de Polignac number, because 1345420341 - 2⁶ = 1345420277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345420541) 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, 269716 + ... + 274658.

It is an arithmetic number, because the mean of its divisors is an integer number (66076560).

Almost surely, 2^1345420341 is an apocalyptic number.

It is an amenable number.

1345420341 is a deficient number, since it is larger than the sum of its proper divisors (769029579).

1345420341 is a wasteful number, since it uses less digits than its factorization.

1345420341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562 (or 5556 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1345420341 is about 36679.9719329227. The cubic root of 1345420341 is about 1103.9582849904.

Adding to 1345420341 its reverse (1430245431), we get a palindrome (2775665772).

The spelling of 1345420341 in words is "one billion, three hundred forty-five million, four hundred twenty thousand, three hundred forty-one".