1154032450 has 48 divisors (see below), whose sum is σ = 2280791520. Its totient is φ = 433192320.

The previous prime is 1154032423. The next prime is 1154032459. The reversal of 1154032450 is 542304511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1154032459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95974 + ... + 107326.

It is an arithmetic number, because the mean of its divisors is an integer number (47516490).

Almost surely, 2^1154032450 is an apocalyptic number.

1154032450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1154032450 is a deficient number, since it is larger than the sum of its proper divisors (1126759070).

1154032450 is a wasteful number, since it uses less digits than its factorization.

1154032450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11491 (or 11486 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1154032450 is about 33971.0531187951. The cubic root of 1154032450 is about 1048.9126915285.

Adding to 1154032450 its reverse (542304511), we get a palindrome (1696336961).

The spelling of 1154032450 in words is "one billion, one hundred fifty-four million, thirty-two thousand, four hundred fifty".