1151425545 has 8 divisors (see below), whose sum is σ = 1842280896. Its totient is φ = 614093616.

The previous prime is 1151425501. The next prime is 1151425549. The reversal of 1151425545 is 5455241511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1151425545 - 2⁶ = 1151425481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151425549) 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 7 ways as a sum of consecutive naturals, for example, 38380837 + ... + 38380866.

It is an arithmetic number, because the mean of its divisors is an integer number (230285112).

Almost surely, 2^1151425545 is an apocalyptic number.

1151425545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151425545 is a deficient number, since it is larger than the sum of its proper divisors (690855351).

1151425545 is an equidigital number, since it uses as much as digits as its factorization.

1151425545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76761711.

The product of its digits is 20000, while the sum is 33.

The square root of 1151425545 is about 33932.6619203386. The cubic root of 1151425545 is about 1048.1222812588.

The spelling of 1151425545 in words is "one billion, one hundred fifty-one million, four hundred twenty-five thousand, five hundred forty-five".