1045321455 has 8 divisors (see below), whose sum is σ = 1672514352. Its totient is φ = 557504768.

The previous prime is 1045321451. The next prime is 1045321463. The reversal of 1045321455 is 5541235401.

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 1045321455 - 2² = 1045321451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045321451) 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, 34844034 + ... + 34844063.

It is an arithmetic number, because the mean of its divisors is an integer number (209064294).

Almost surely, 2^1045321455 is an apocalyptic number.

1045321455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1045321455 is a deficient number, since it is larger than the sum of its proper divisors (627192897).

1045321455 is an equidigital number, since it uses as much as digits as its factorization.

1045321455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69688105.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1045321455 is about 32331.4313787682. The cubic root of 1045321455 is about 1014.8845039945.

Adding to 1045321455 its reverse (5541235401), we get a palindrome (6586556856).

The spelling of 1045321455 in words is "one billion, forty-five million, three hundred twenty-one thousand, four hundred fifty-five".