1045646455 has 32 divisors (see below), whose sum is σ = 1559454336. Its totient is φ = 656584704.

The previous prime is 1045646453. The next prime is 1045646477. The reversal of 1045646455 is 5546465401.

It is a cyclic number.

It is not a de Polignac number, because 1045646455 - 2¹ = 1045646453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045646453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1734 + ... + 45763.

It is an arithmetic number, because the mean of its divisors is an integer number (48732948).

Almost surely, 2^1045646455 is an apocalyptic number.

1045646455 is a deficient number, since it is larger than the sum of its proper divisors (513807881).

1045646455 is a wasteful number, since it uses less digits than its factorization.

1045646455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47563.

The product of its (nonzero) digits is 288000, while the sum is 40.

The square root of 1045646455 is about 32336.4570570123. The cubic root of 1045646455 is about 1014.9896720539.

The spelling of 1045646455 in words is "one billion, forty-five million, six hundred forty-six thousand, four hundred fifty-five".