1214554345 has 8 divisors (see below), whose sum is σ = 1465518600. Its totient is φ = 966274560.

The previous prime is 1214554337. The next prime is 1214554349. The reversal of 1214554345 is 5434554121.

It can be written as a sum of positive squares in 4 ways, for example, as 35868121 + 1178686224 = 5989^2 + 34332^2 .

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

It is not a de Polignac number, because 1214554345 - 2³ = 1214554337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1214554345.

It is not an unprimeable number, because it can be changed into a prime (1214554349) 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, 670120 + ... + 671929.

It is an arithmetic number, because the mean of its divisors is an integer number (183189825).

Almost surely, 2^1214554345 is an apocalyptic number.

It is an amenable number.

1214554345 is a deficient number, since it is larger than the sum of its proper divisors (250964255).

1214554345 is a wasteful number, since it uses less digits than its factorization.

1214554345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342235.

The product of its digits is 48000, while the sum is 34.

The square root of 1214554345 is about 34850.4568836622. The cubic root of 1214554345 is about 1066.9375105954.

The spelling of 1214554345 in words is "one billion, two hundred fourteen million, five hundred fifty-four thousand, three hundred forty-five".