1283474545 has 8 divisors (see below), whose sum is σ = 1541359296. Its totient is φ = 1025986416.

The previous prime is 1283474519. The next prime is 1283474557. The reversal of 1283474545 is 5454743821.

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 1283474545 - 2⁹ = 1283474033 is a prime.

It is a Duffinian number.

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, 91987 + ... + 105016.

It is an arithmetic number, because the mean of its divisors is an integer number (192669912).

Almost surely, 2^1283474545 is an apocalyptic number.

It is an amenable number.

1283474545 is a deficient number, since it is larger than the sum of its proper divisors (257884751).

1283474545 is a wasteful number, since it uses less digits than its factorization.

1283474545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198311.

The product of its digits is 537600, while the sum is 43.

The square root of 1283474545 is about 35825.6129745187. The cubic root of 1283474545 is about 1086.7485930157.

The spelling of 1283474545 in words is "one billion, two hundred eighty-three million, four hundred seventy-four thousand, five hundred forty-five".