1011444142 has 16 divisors (see below), whose sum is σ = 1538892432. Its totient is φ = 498507520.

The previous prime is 1011444097. The next prime is 1011444167. The reversal of 1011444142 is 2414441101.

It is a super-2 number, since 2×1011444142² = 2046038504772232328, which contains 22 as substring.

It is a congruent number.

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, 69918 + ... + 83134.

It is an arithmetic number, because the mean of its divisors is an integer number (96180777).

Almost surely, 2^1011444142 is an apocalyptic number.

1011444142 is a deficient number, since it is larger than the sum of its proper divisors (527448290).

1011444142 is a wasteful number, since it uses less digits than its factorization.

1011444142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13763.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1011444142 is about 31803.2096178986. The cubic root of 1011444142 is about 1003.8002537769.

Adding to 1011444142 its reverse (2414441101), we get a palindrome (3425885243).

The spelling of 1011444142 in words is "one billion, eleven million, four hundred forty-four thousand, one hundred forty-two".