1442552631 has 16 divisors (see below), whose sum is σ = 2072396256. Its totient is φ = 887279616.

The previous prime is 1442552621. The next prime is 1442552647. The reversal of 1442552631 is 1362552441.

It is a de Polignac number, because none of the positive numbers 2^k-1442552631 is a prime.

It is a super-2 number, since 2×1442552631² = 4161916186410044322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1442552592 and 1442552601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442552611) 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, 80511 + ... + 96783.

It is an arithmetic number, because the mean of its divisors is an integer number (129524766).

Almost surely, 2^1442552631 is an apocalyptic number.

1442552631 is a deficient number, since it is larger than the sum of its proper divisors (629843625).

1442552631 is a wasteful number, since it uses less digits than its factorization.

1442552631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18562.

The product of its digits is 28800, while the sum is 33.

The square root of 1442552631 is about 37980.9508964691. The cubic root of 1442552631 is about 1129.9100957005.

The spelling of 1442552631 in words is "one billion, four hundred forty-two million, five hundred fifty-two thousand, six hundred thirty-one".