1151254544 has 40 divisors (see below), whose sum is σ = 2435817312. Its totient is φ = 522763520.

The previous prime is 1151254543. The next prime is 1151254547. The reversal of 1151254544 is 4454521511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151254544.

It is not an unprimeable number, because it can be changed into a prime (1151254541) 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, 207227 + ... + 212709.

Almost surely, 2^1151254544 is an apocalyptic number.

It is an amenable number.

1151254544 is an abundant number, since it is smaller than the sum of its proper divisors (1284562768).

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

1151254544 is a wasteful number, since it uses less digits than its factorization.

1151254544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695 (or 6689 counting only the distinct ones).

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

The square root of 1151254544 is about 33930.1421158238. The cubic root of 1151254544 is about 1048.0703922960.

The spelling of 1151254544 in words is "one billion, one hundred fifty-one million, two hundred fifty-four thousand, five hundred forty-four".