142162051642 has 16 divisors (see below), whose sum is σ = 243155003112. Its totient is φ = 61753651200.

The previous prime is 142162051627. The next prime is 142162051643. The reversal of 142162051642 is 246150261241.

It can be written as a sum of positive squares in 4 ways, for example, as 77773496641 + 64388555001 = 278879^2 + 253749^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 142162051598 and 142162051607.

It is not an unprimeable number, because it can be changed into a prime (142162051643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160816359 + ... + 160817242.

Almost surely, 2^142162051642 is an apocalyptic number.

142162051642 is a deficient number, since it is larger than the sum of its proper divisors (100992951470).

142162051642 is a wasteful number, since it uses less digits than its factorization.

142162051642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321633633.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 142162051642 in words is "one hundred forty-two billion, one hundred sixty-two million, fifty-one thousand, six hundred forty-two".