1145073254 has 8 divisors (see below), whose sum is σ = 1849733760. Its totient is φ = 528495336.

The previous prime is 1145073217. The next prime is 1145073283. The reversal of 1145073254 is 4523705411.

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

It is a super-2 number, since 2×1145073254² = 2622385514052297032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145073254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22020614 + ... + 22020665.

It is an arithmetic number, because the mean of its divisors is an integer number (231216720).

Almost surely, 2^1145073254 is an apocalyptic number.

1145073254 is a deficient number, since it is larger than the sum of its proper divisors (704660506).

1145073254 is a wasteful number, since it uses less digits than its factorization.

1145073254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44041294.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1145073254 is about 33838.9310410362. The cubic root of 1145073254 is about 1046.1912664946.

Adding to 1145073254 its reverse (4523705411), we get a palindrome (5668778665).

The spelling of 1145073254 in words is "one billion, one hundred forty-five million, seventy-three thousand, two hundred fifty-four".