1151252144 has 20 divisors (see below), whose sum is σ = 2549201424. Its totient is φ = 493393728.

The previous prime is 1151252131. The next prime is 1151252147. The reversal of 1151252144 is 4412521511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1151252147) 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, 5139407 + ... + 5139630.

Almost surely, 2^1151252144 is an apocalyptic number.

1151252144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1151252144 is an abundant number, since it is smaller than the sum of its proper divisors (1397949280).

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

1151252144 is a wasteful number, since it uses less digits than its factorization.

1151252144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10279052 (or 10279046 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 1151252144 is about 33930.1067490216. The cubic root of 1151252144 is about 1048.0696639976.

Adding to 1151252144 its reverse (4412521511), we get a palindrome (5563773655).

The spelling of 1151252144 in words is "one billion, one hundred fifty-one million, two hundred fifty-two thousand, one hundred forty-four".