1442155044 has 24 divisors (see below), whose sum is σ = 3670940448. Its totient is φ = 437016640.

The previous prime is 1442155019. The next prime is 1442155079. The reversal of 1442155044 is 4405512441.

It is a super-2 number, since 2×1442155044² = 4159622341869283872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5462577 + ... + 5462840.

It is an arithmetic number, because the mean of its divisors is an integer number (152955852).

Almost surely, 2^1442155044 is an apocalyptic number.

It is an amenable number.

1442155044 is an abundant number, since it is smaller than the sum of its proper divisors (2228785404).

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

1442155044 is a wasteful number, since it uses less digits than its factorization.

1442155044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10925435 (or 10925433 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 1442155044 is about 37975.7165041030. The cubic root of 1442155044 is about 1129.8062799982.

Adding to 1442155044 its reverse (4405512441), we get a palindrome (5847667485).

The spelling of 1442155044 in words is "one billion, four hundred forty-two million, one hundred fifty-five thousand, forty-four".