142403401 has 8 divisors (see below), whose sum is σ = 166531904. Its totient is φ = 119221200.

The previous prime is 142403389. The next prime is 142403413. The reversal of 142403401 is 104304241.

It is an interprime number because it is at equal distance from previous prime (142403389) and next prime (142403413).

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

It is not a de Polignac number, because 142403401 - 2⁷ = 142403273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142403431) 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, 236250 + ... + 236851.

It is an arithmetic number, because the mean of its divisors is an integer number (20816488).

Almost surely, 2^142403401 is an apocalyptic number.

It is an amenable number.

142403401 is a deficient number, since it is larger than the sum of its proper divisors (24128503).

142403401 is an equidigital number, since it uses as much as digits as its factorization.

142403401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473151.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142403401 is about 11933.2896135140. The cubic root of 142403401 is about 522.2039115170.

Adding to 142403401 its reverse (104304241), we get a palindrome (246707642).

The spelling of 142403401 in words is "one hundred forty-two million, four hundred three thousand, four hundred one".