1345410243 has 40 divisors (see below), whose sum is σ = 2185631712. Its totient is φ = 821332224.

The previous prime is 1345410223. The next prime is 1345410259. The reversal of 1345410243 is 3420145431.

It is a happy number.

1345410243 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 410 + 243 = 666.

It is not a de Polignac number, because 1345410243 - 2⁶ = 1345410179 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1345410223) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37746 + ... + 64152.

Almost surely, 2^1345410243 is an apocalyptic number.

1345410243 is a deficient number, since it is larger than the sum of its proper divisors (840221469).

1345410243 is a wasteful number, since it uses less digits than its factorization.

1345410243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26473 (or 26464 counting only the distinct ones).

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

The square root of 1345410243 is about 36679.8342826137. The cubic root of 1345410243 is about 1103.9555230782.

Adding to 1345410243 its reverse (3420145431), we get a palindrome (4765555674).

The spelling of 1345410243 in words is "one billion, three hundred forty-five million, four hundred ten thousand, two hundred forty-three".