1145403450 has 192 divisors, whose sum is σ = 3385854720. Its totient is φ = 283979520.

The previous prime is 1145403449. The next prime is 1145403461. The reversal of 1145403450 is 543045411.

It is a happy number.

1145403450 is a `hidden beast` number, since 114 + 540 + 3 + 4 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1148352 + ... + 1149348.

It is an arithmetic number, because the mean of its divisors is an integer number (17634660).

Almost surely, 2^1145403450 is an apocalyptic number.

1145403450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145403450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1692927360).

1145403450 is an abundant number, since it is smaller than the sum of its proper divisors (2240451270).

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

1145403450 is a wasteful number, since it uses less digits than its factorization.

1145403450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1145403450 is about 33843.8096259863. The cubic root of 1145403450 is about 1046.2918175498.

Adding to 1145403450 its reverse (543045411), we get a palindrome (1688448861).

The spelling of 1145403450 in words is "one billion, one hundred forty-five million, four hundred three thousand, four hundred fifty".