1002154442452 has 12 divisors (see below), whose sum is σ = 1754294280480. Its totient is φ = 500927505176.

The previous prime is 1002154442449. The next prime is 1002154442453. The reversal of 1002154442452 is 2542444512001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002154442453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37413952 + ... + 37440727.

It is an arithmetic number, because the mean of its divisors is an integer number (146191190040).

Almost surely, 2^{1002154442452} is an apocalyptic number.

It is an amenable number.

1002154442452 is a deficient number, since it is larger than the sum of its proper divisors (752139838028).

1002154442452 is a wasteful number, since it uses less digits than its factorization.

1002154442452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74858030 (or 74858028 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 1002154442452 its reverse (2542444512001), we get a palindrome (3544598954453).

The spelling of 1002154442452 in words is "one trillion, two billion, one hundred fifty-four million, four hundred forty-two thousand, four hundred fifty-two".