1145402100 has 72 divisors (see below), whose sum is σ = 3682264320. Its totient is φ = 305439840.

The previous prime is 1145402087. The next prime is 1145402101. The reversal of 1145402100 is 12045411.

1145402100 is a `hidden beast` number, since 1 + 1 + 454 + 0 + 210 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145402101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209412 + ... + 214811.

It is an arithmetic number, because the mean of its divisors is an integer number (51142560).

Almost surely, 2^1145402100 is an apocalyptic number.

1145402100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145402100 is an abundant number, since it is smaller than the sum of its proper divisors (2536862220).

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

1145402100 is a wasteful number, since it uses less digits than its factorization.

1145402100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424246 (or 424233 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1145402100 is about 33843.7896814172. The cubic root of 1145402100 is about 1046.2914064881.

Adding to 1145402100 its reverse (12045411), we get a palindrome (1157447511).

The spelling of 1145402100 in words is "one billion, one hundred forty-five million, four hundred two thousand, one hundred".