1154311445 has 16 divisors (see below), whose sum is σ = 1589690880. Its totient is φ = 788210304.

The previous prime is 1154311387. The next prime is 1154311451. The reversal of 1154311445 is 5441134511.

It is not a de Polignac number, because 1154311445 - 2¹⁴ = 1154295061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60632 + ... + 77361.

It is an arithmetic number, because the mean of its divisors is an integer number (99355680).

Almost surely, 2^1154311445 is an apocalyptic number.

It is an amenable number.

1154311445 is a deficient number, since it is larger than the sum of its proper divisors (435379435).

1154311445 is a wasteful number, since it uses less digits than its factorization.

1154311445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138244.

The product of its digits is 4800, while the sum is 29.

The square root of 1154311445 is about 33975.1592343583. The cubic root of 1154311445 is about 1048.9972119181.

Adding to 1154311445 its reverse (5441134511), we get a palindrome (6595445956).

The spelling of 1154311445 in words is "one billion, one hundred fifty-four million, three hundred eleven thousand, four hundred forty-five".