1345577893 has 8 divisors (see below), whose sum is σ = 1503706176. Its totient is φ = 1193416800.

The previous prime is 1345577879. The next prime is 1345577903. The reversal of 1345577893 is 3987755431.

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 1345577893 - 2⁵ = 1345577861 is a prime.

It is a super-2 number, since 2×1345577893² = 3621159732260638898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1345577893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345577803) 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, 1491321 + ... + 1492222.

It is an arithmetic number, because the mean of its divisors is an integer number (187963272).

Almost surely, 2^1345577893 is an apocalyptic number.

It is an amenable number.

1345577893 is a deficient number, since it is larger than the sum of its proper divisors (158128283).

1345577893 is a wasteful number, since it uses less digits than its factorization.

1345577893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983595.

The product of its digits is 3175200, while the sum is 52.

The square root of 1345577893 is about 36682.1195270939. The cubic root of 1345577893 is about 1104.0013753768.

The spelling of 1345577893 in words is "one billion, three hundred forty-five million, five hundred seventy-seven thousand, eight hundred ninety-three".