1145452458 has 16 divisors (see below), whose sum is σ = 2296954080. Its totient is φ = 380809296.

The previous prime is 1145452433. The next prime is 1145452459. The reversal of 1145452458 is 8542545411.

It is a happy number.

It is a super-2 number, since 2×1145452458² = 2624122667076483528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145452459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249585 + ... + 254132.

It is an arithmetic number, because the mean of its divisors is an integer number (143559630).

Almost surely, 2^1145452458 is an apocalyptic number.

1145452458 is an abundant number, since it is smaller than the sum of its proper divisors (1151501622).

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

1145452458 is a wasteful number, since it uses less digits than its factorization.

1145452458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504101.

The product of its digits is 128000, while the sum is 39.

The square root of 1145452458 is about 33844.5336502071. The cubic root of 1145452458 is about 1046.3067397847.

Adding to 1145452458 its reverse (8542545411), we get a palindrome (9687997869).

The spelling of 1145452458 in words is "one billion, one hundred forty-five million, four hundred fifty-two thousand, four hundred fifty-eight".