142046401 has 4 divisors (see below), whose sum is σ = 162338752. Its totient is φ = 121754052.

The previous prime is 142046383. The next prime is 142046419. The reversal of 142046401 is 104640241.

142046401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104640241 = 41 ⋅2552201.

It is an interprime number because it is at equal distance from previous prime (142046383) and next prime (142046419).

It is not a de Polignac number, because 142046401 - 2¹⁵ = 142013633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142046701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10146165 + ... + 10146178.

It is an arithmetic number, because the mean of its divisors is an integer number (40584688).

Almost surely, 2^142046401 is an apocalyptic number.

It is an amenable number.

142046401 is a deficient number, since it is larger than the sum of its proper divisors (20292351).

142046401 is an equidigital number, since it uses as much as digits as its factorization.

142046401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20292350.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 142046401 is about 11918.3220714998. The cubic root of 142046401 is about 521.7671644525.

Adding to 142046401 its reverse (104640241), we get a palindrome (246686642).

The spelling of 142046401 in words is "one hundred forty-two million, forty-six thousand, four hundred one".