1142545053 has 8 divisors (see below), whose sum is σ = 1640577568. Its totient is φ = 703104624.

The previous prime is 1142545013. The next prime is 1142545057. The reversal of 1142545053 is 3505452411.

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

It is not a de Polignac number, because 1142545053 - 2¹² = 1142540957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142545053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142545057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14647975 + ... + 14648052.

It is an arithmetic number, because the mean of its divisors is an integer number (205072196).

Almost surely, 2^1142545053 is an apocalyptic number.

1142545053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1142545053 is a deficient number, since it is larger than the sum of its proper divisors (498032515).

1142545053 is a wasteful number, since it uses less digits than its factorization.

1142545053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29296043.

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

The square root of 1142545053 is about 33801.5540027378. The cubic root of 1142545053 is about 1045.4207391355.

Adding to 1142545053 its reverse (3505452411), we get a palindrome (4647997464).

The spelling of 1142545053 in words is "one billion, one hundred forty-two million, five hundred forty-five thousand, fifty-three".