1345454540 has 24 divisors (see below), whose sum is σ = 2826925920. Its totient is φ = 537901568.

The previous prime is 1345454533. The next prime is 1345454573. The reversal of 1345454540 is 454545431.

It is a super-2 number, since 2×1345454540² = 3620495838413223200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1345454540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24284 + ... + 57276.

It is an arithmetic number, because the mean of its divisors is an integer number (117788580).

Almost surely, 2^1345454540 is an apocalyptic number.

1345454540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345454540 is an abundant number, since it is smaller than the sum of its proper divisors (1481471380).

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

1345454540 is a wasteful number, since it uses less digits than its factorization.

1345454540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35041 (or 35039 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 1345454540 is about 36680.4381107969. The cubic root of 1345454540 is about 1103.9676386842.

Adding to 1345454540 its reverse (454545431), we get a palindrome (1799999971).

The spelling of 1345454540 in words is "one billion, three hundred forty-five million, four hundred fifty-four thousand, five hundred forty".