1442245500 has 240 divisors, whose sum is σ = 4756752000. Its totient is φ = 380419200.

The previous prime is 1442245411. The next prime is 1442245531. The reversal of 1442245500 is 55422441.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6034381 + ... + 6034619.

It is an arithmetic number, because the mean of its divisors is an integer number (19819800).

Almost surely, 2^1442245500 is an apocalyptic number.

1442245500 is a gapful number since it is divisible by the number (10) 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 1442245500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2378376000).

1442245500 is an abundant number, since it is smaller than the sum of its proper divisors (3314506500).

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

1442245500 is a wasteful number, since it uses less digits than its factorization.

1442245500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1442245500 is about 37976.9074570324. The cubic root of 1442245500 is about 1129.8299010415.

Adding to 1442245500 its reverse (55422441), we get a palindrome (1497667941).

The spelling of 1442245500 in words is "one billion, four hundred forty-two million, two hundred forty-five thousand, five hundred".