1145241554 has 8 divisors (see below), whose sum is σ = 1719503100. Its totient is φ = 572073856.

The previous prime is 1145241551. The next prime is 1145241569. The reversal of 1145241554 is 4551425411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 822140929 + 323100625 = 28673^2 + 17975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145241554.

It is not an unprimeable number, because it can be changed into a prime (1145241551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270839 + ... + 275034.

Almost surely, 2^1145241554 is an apocalyptic number.

1145241554 is a deficient number, since it is larger than the sum of its proper divisors (574261546).

1145241554 is a wasteful number, since it uses less digits than its factorization.

1145241554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546924.

The product of its digits is 16000, while the sum is 32.

The square root of 1145241554 is about 33841.4177303493. The cubic root of 1145241554 is about 1046.2425195080.

Adding to 1145241554 its reverse (4551425411), we get a palindrome (5696666965).

The spelling of 1145241554 in words is "one billion, one hundred forty-five million, two hundred forty-one thousand, five hundred fifty-four".