1145415100 has 18 divisors (see below), whose sum is σ = 2485550984. Its totient is φ = 458166000.

The previous prime is 1145415083. The next prime is 1145415101. The reversal of 1145415100 is 15145411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145415101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5726976 + ... + 5727175.

Almost surely, 2^1145415100 is an apocalyptic number.

1145415100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145415100 is an abundant number, since it is smaller than the sum of its proper divisors (1340135884).

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

1145415100 is a wasteful number, since it uses less digits than its factorization.

1145415100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11454165 (or 11454158 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1145415100 is about 33843.9817397421. The cubic root of 1145415100 is about 1046.2953648467.

The spelling of 1145415100 in words is "one billion, one hundred forty-five million, four hundred fifteen thousand, one hundred".