1010154223452 has 72 divisors (see below), whose sum is σ = 2591814266496. Its totient is φ = 305985284000.

The previous prime is 1010154223447. The next prime is 1010154223471. The reversal of 1010154223452 is 2543224510101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3537577 + ... + 3812447.

It is an arithmetic number, because the mean of its divisors is an integer number (35997420368).

Almost surely, 2^{1010154223452} is an apocalyptic number.

1010154223452 is a gapful number since it is divisible by the number (12) 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 1010154223452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295907133248).

1010154223452 is an abundant number, since it is smaller than the sum of its proper divisors (1581660043044).

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

1010154223452 is a wasteful number, since it uses less digits than its factorization.

1010154223452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277431 (or 277418 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1010154223452 its reverse (2543224510101), we get a palindrome (3553378733553).

The spelling of 1010154223452 in words is "one trillion, ten billion, one hundred fifty-four million, two hundred twenty-three thousand, four hundred fifty-two".