1345425043 has 16 divisors (see below), whose sum is σ = 1491612480. Its totient is φ = 1208946816.

The previous prime is 1345425023. The next prime is 1345425049. The reversal of 1345425043 is 3405245431.

It is a cyclic number.

It is not a de Polignac number, because 1345425043 - 2²¹ = 1343327891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345424996 and 1345425014.

It is not an unprimeable number, because it can be changed into a prime (1345425049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2580 + ... + 51937.

It is an arithmetic number, because the mean of its divisors is an integer number (93225780).

Almost surely, 2^1345425043 is an apocalyptic number.

1345425043 is a deficient number, since it is larger than the sum of its proper divisors (146187437).

1345425043 is a wasteful number, since it uses less digits than its factorization.

1345425043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54606.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1345425043 is about 36680.0360277904. The cubic root of 1345425043 is about 1103.9595710336.

The spelling of 1345425043 in words is "one billion, three hundred forty-five million, four hundred twenty-five thousand, forty-three".