4245131550 has 96 divisors (see below), whose sum is σ = 11499335424. Its totient is φ = 1027840000.

The previous prime is 4245131543. The next prime is 4245131573. The reversal of 4245131550 is 551315424.

It is a super-2 number, since 2×4245131550² = 36042283753610805000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2640847 + ... + 2642453.

It is an arithmetic number, because the mean of its divisors is an integer number (119784744).

Almost surely, 2^4245131550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245131550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5749667712).

4245131550 is an abundant number, since it is smaller than the sum of its proper divisors (7254203874).

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

4245131550 is a wasteful number, since it uses less digits than its factorization.

4245131550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 4245131550 is about 65154.6740456892. The cubic root of 4245131550 is about 1619.1871589040.

Adding to 4245131550 its reverse (551315424), we get a palindrome (4796446974).

The spelling of 4245131550 in words is "four billion, two hundred forty-five million, one hundred thirty-one thousand, five hundred fifty".