142403331746 has 8 divisors (see below), whose sum is σ = 230036151324. Its totient is φ = 65724614640.

The previous prime is 142403331737. The next prime is 142403331769. The reversal of 142403331746 is 647133304241.

It can be written as a sum of positive squares in 2 ways, for example, as 140221040521 + 2182291225 = 374461^2 + 46715^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142403331746² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2738525585 + ... + 2738525636.

Almost surely, 2^142403331746 is an apocalyptic number.

142403331746 is a deficient number, since it is larger than the sum of its proper divisors (87632819578).

142403331746 is a wasteful number, since it uses less digits than its factorization.

142403331746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5477051236.

The product of its (nonzero) digits is 145152, while the sum is 38.

Adding to 142403331746 its reverse (647133304241), we get a palindrome (789536635987).

The spelling of 142403331746 in words is "one hundred forty-two billion, four hundred three million, three hundred thirty-one thousand, seven hundred forty-six".