1153440145 has 32 divisors (see below), whose sum is σ = 1631145600. Its totient is φ = 771939840.

The previous prime is 1153440139. The next prime is 1153440203. The reversal of 1153440145 is 5410443511.

It is not a de Polignac number, because 1153440145 - 2³ = 1153440137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245781 + ... + 250429.

It is an arithmetic number, because the mean of its divisors is an integer number (50973300).

Almost surely, 2^1153440145 is an apocalyptic number.

It is an amenable number.

1153440145 is a deficient number, since it is larger than the sum of its proper divisors (477705455).

1153440145 is a wasteful number, since it uses less digits than its factorization.

1153440145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1153440145 is about 33962.3342101217. The cubic root of 1153440145 is about 1048.7332099920.

Adding to 1153440145 its reverse (5410443511), we get a palindrome (6563883656).

The spelling of 1153440145 in words is "one billion, one hundred fifty-three million, four hundred forty thousand, one hundred forty-five".