1145505342 has 16 divisors (see below), whose sum is σ = 2322395280. Its totient is φ = 376604352.

The previous prime is 1145505341. The next prime is 1145505343. The reversal of 1145505342 is 2435055411.

It is an interprime number because it is at equal distance from previous prime (1145505341) and next prime (1145505343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145505341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307217 + ... + 1308092.

It is an arithmetic number, because the mean of its divisors is an integer number (145149705).

Almost surely, 2^1145505342 is an apocalyptic number.

1145505342 is an abundant number, since it is smaller than the sum of its proper divisors (1176889938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145505342 is a wasteful number, since it uses less digits than its factorization.

1145505342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615387.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1145505342 is about 33845.3149194981. The cubic root of 1145505342 is about 1046.3228417288.

The spelling of 1145505342 in words is "one billion, one hundred forty-five million, five hundred five thousand, three hundred forty-two".