1345450540 has 24 divisors (see below), whose sum is σ = 3229081632. Its totient is φ = 461297280.

The previous prime is 1345450531. The next prime is 1345450543. The reversal of 1345450540 is 450545431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1345450543) 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 7 ways as a sum of consecutive naturals, for example, 4805041 + ... + 4805320.

It is an arithmetic number, because the mean of its divisors is an integer number (134545068).

Almost surely, 2^1345450540 is an apocalyptic number.

1345450540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345450540 is an abundant number, since it is smaller than the sum of its proper divisors (1883631092).

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

1345450540 is a wasteful number, since it uses less digits than its factorization.

1345450540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9610377 (or 9610375 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1345450540 is about 36680.3835857806. The cubic root of 1345450540 is about 1103.9665446611.

Adding to 1345450540 its reverse (450545431), we get a palindrome (1795995971).

The spelling of 1345450540 in words is "one billion, three hundred forty-five million, four hundred fifty thousand, five hundred forty".