1142554600 has 144 divisors (see below), whose sum is σ = 3016056960. Its totient is φ = 401808000.

The previous prime is 1142554579. The next prime is 1142554603. The reversal of 1142554600 is 64552411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142554603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 749439 + ... + 750961.

It is an arithmetic number, because the mean of its divisors is an integer number (20944840).

Almost surely, 2^1142554600 is an apocalyptic number.

1142554600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142554600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1508028480).

1142554600 is an abundant number, since it is smaller than the sum of its proper divisors (1873502360).

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

1142554600 is a wasteful number, since it uses less digits than its factorization.

1142554600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1142554600 is about 33801.6952237606. The cubic root of 1142554600 is about 1045.4236509402.

The spelling of 1142554600 in words is "one billion, one hundred forty-two million, five hundred fifty-four thousand, six hundred".