105290357452 has 48 divisors (see below), whose sum is σ = 215827575040. Its totient is φ = 44003518272.

The previous prime is 105290357423. The next prime is 105290357453. The reversal of 105290357452 is 254753092501.

It is a happy number.

It is a super-2 number, since 2×105290357452² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 105290357399 and 105290357408.

It is not an unprimeable number, because it can be changed into a prime (105290357453) 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, 674638 + ... + 815914.

Almost surely, 2^105290357452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105290357452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107913787520).

105290357452 is an abundant number, since it is smaller than the sum of its proper divisors (110537217588).

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

105290357452 is a wasteful number, since it uses less digits than its factorization.

105290357452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141950 (or 141948 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 105290357452 in words is "one hundred five billion, two hundred ninety million, three hundred fifty-seven thousand, four hundred fifty-two".