1214402545 has 8 divisors (see below), whose sum is σ = 1460575296. Its totient is φ = 969327216.

The previous prime is 1214402543. The next prime is 1214402549. The reversal of 1214402545 is 5452044121.

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 1214402545 - 2¹ = 1214402543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214402543) 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, 271917 + ... + 276346.

It is an arithmetic number, because the mean of its divisors is an integer number (182571912).

Almost surely, 2^1214402545 is an apocalyptic number.

It is an amenable number.

1214402545 is a deficient number, since it is larger than the sum of its proper divisors (246172751).

1214402545 is an equidigital number, since it uses as much as digits as its factorization.

1214402545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548711.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1214402545 is about 34848.2789388515. The cubic root of 1214402545 is about 1066.8930586632.

Adding to 1214402545 its reverse (5452044121), we get a palindrome (6666446666).

The spelling of 1214402545 in words is "one billion, two hundred fourteen million, four hundred two thousand, five hundred forty-five".