1145235254 has 16 divisors (see below), whose sum is σ = 1782570240. Its totient is φ = 551420520.

The previous prime is 1145235233. The next prime is 1145235257. The reversal of 1145235254 is 4525325411.

It is a self number, because there is not a number n which added to its sum of digits gives 1145235254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145235257) 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, 87674 + ... + 99885.

It is an arithmetic number, because the mean of its divisors is an integer number (111410640).

Almost surely, 2^1145235254 is an apocalyptic number.

1145235254 is a deficient number, since it is larger than the sum of its proper divisors (637334986).

1145235254 is a wasteful number, since it uses less digits than its factorization.

1145235254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187675.

The product of its digits is 24000, while the sum is 32.

The square root of 1145235254 is about 33841.3246490146. The cubic root of 1145235254 is about 1046.2406010365.

The spelling of 1145235254 in words is "one billion, one hundred forty-five million, two hundred thirty-five thousand, two hundred fifty-four".