1142605251452 has 48 divisors (see below), whose sum is σ = 2304004023552. Its totient is φ = 485665165440.

The previous prime is 1142605251451. The next prime is 1142605251479. The reversal of 1142605251452 is 2541525062411.

It is a super-4 number, since 4×1142605251452⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142605251451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6229568 + ... + 6410360.

It is an arithmetic number, because the mean of its divisors is an integer number (48000083824).

Almost surely, 2^{1142605251452} is an apocalyptic number.

It is an amenable number.

1142605251452 is an abundant number, since it is smaller than the sum of its proper divisors (1161398772100).

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

1142605251452 is a wasteful number, since it uses less digits than its factorization.

1142605251452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182658 (or 182656 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 1142605251452 in words is "one trillion, one hundred forty-two billion, six hundred five million, two hundred fifty-one thousand, four hundred fifty-two".