1345550503 has 8 divisors (see below), whose sum is σ = 1468826496. Its totient is φ = 1222433400.

The previous prime is 1345550483. The next prime is 1345550579. The reversal of 1345550503 is 3050555431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1345550503 - 2⁵ = 1345550471 is a prime.

It is a super-2 number, since 2×1345550503² = 3621012312247106018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345550593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21651 + ... + 56212.

It is an arithmetic number, because the mean of its divisors is an integer number (183603312).

Almost surely, 2^1345550503 is an apocalyptic number.

1345550503 is a deficient number, since it is larger than the sum of its proper divisors (123275993).

1345550503 is a wasteful number, since it uses less digits than its factorization.

1345550503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79445.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 1345550503 is about 36681.7461825361. The cubic root of 1345550503 is about 1103.9938844682.

The spelling of 1345550503 in words is "one billion, three hundred forty-five million, five hundred fifty thousand, five hundred three".