1045451100 has 36 divisors (see below), whose sum is σ = 3024839384. Its totient is φ = 278786880.

The previous prime is 1045451093. The next prime is 1045451119. The reversal of 1045451100 is 11545401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1742119 + ... + 1742718.

Almost surely, 2^1045451100 is an apocalyptic number.

1045451100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045451100 is an abundant number, since it is smaller than the sum of its proper divisors (1979388284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045451100 is a wasteful number, since it uses less digits than its factorization.

1045451100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484854 (or 3484847 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1045451100 is about 32333.4362541317. The cubic root of 1045451100 is about 1014.9264589555.

Adding to 1045451100 its reverse (11545401), we get a palindrome (1056996501).

The spelling of 1045451100 in words is "one billion, forty-five million, four hundred fifty-one thousand, one hundred".