1045388451 has 16 divisors (see below), whose sum is σ = 1414886400. Its totient is φ = 686427840.

The previous prime is 1045388423. The next prime is 1045388453. The reversal of 1045388451 is 1548835401.

It is not a de Polignac number, because 1045388451 - 2⁵ = 1045388419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045388453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301375 + ... + 304823.

It is an arithmetic number, because the mean of its divisors is an integer number (88430400).

Almost surely, 2^1045388451 is an apocalyptic number.

1045388451 is a deficient number, since it is larger than the sum of its proper divisors (369497949).

1045388451 is a wasteful number, since it uses less digits than its factorization.

1045388451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 1045388451 is about 32332.4674437322. The cubic root of 1045388451 is about 1014.9061852835.

The spelling of 1045388451 in words is "one billion, forty-five million, three hundred eighty-eight thousand, four hundred fifty-one".