1154938245 has 16 divisors (see below), whose sum is σ = 1850746752. Its totient is φ = 615018560.

The previous prime is 1154938243. The next prime is 1154938249. The reversal of 1154938245 is 5428394511.

It is not a de Polignac number, because 1154938245 - 2¹ = 1154938243 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1154938197 and 1154938206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154938243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49161 + ... + 68750.

It is an arithmetic number, because the mean of its divisors is an integer number (115671672).

Almost surely, 2^1154938245 is an apocalyptic number.

1154938245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1154938245 is a deficient number, since it is larger than the sum of its proper divisors (695808507).

1154938245 is a wasteful number, since it uses less digits than its factorization.

1154938245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118572.

The product of its digits is 172800, while the sum is 42.

The square root of 1154938245 is about 33984.3823689647. The cubic root of 1154938245 is about 1049.1870487482.

It can be divided in two parts, 11549 and 38245, that added together give a palindrome (49794).

The spelling of 1154938245 in words is "one billion, one hundred fifty-four million, nine hundred thirty-eight thousand, two hundred forty-five".