1455222345 has 8 divisors (see below), whose sum is σ = 2328355776. Its totient is φ = 776118576.

The previous prime is 1455222341. The next prime is 1455222359. The reversal of 1455222345 is 5432225541.

It is a happy number.

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

It is not a de Polignac number, because 1455222345 - 2² = 1455222341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1455222341) 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, 48507397 + ... + 48507426.

It is an arithmetic number, because the mean of its divisors is an integer number (291044472).

Almost surely, 2^1455222345 is an apocalyptic number.

1455222345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1455222345 is a deficient number, since it is larger than the sum of its proper divisors (873133431).

1455222345 is an equidigital number, since it uses as much as digits as its factorization.

1455222345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97014831.

The product of its digits is 48000, while the sum is 33.

The square root of 1455222345 is about 38147.3766463698. The cubic root of 1455222345 is about 1133.2083994828.

Adding to 1455222345 its reverse (5432225541), we get a palindrome (6887447886).

The spelling of 1455222345 in words is "one billion, four hundred fifty-five million, two hundred twenty-two thousand, three hundred forty-five".