142541401 has 8 divisors (see below), whose sum is σ = 151531200. Its totient is φ = 133700400.

The previous prime is 142541389. The next prime is 142541423. The reversal of 142541401 is 104145241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142541401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142541471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35221 + ... + 39058.

It is an arithmetic number, because the mean of its divisors is an integer number (18941400).

Almost surely, 2^142541401 is an apocalyptic number.

It is an amenable number.

142541401 is a deficient number, since it is larger than the sum of its proper divisors (8989799).

142541401 is a wasteful number, since it uses less digits than its factorization.

142541401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74399.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 142541401 is about 11939.0703574441. The cubic root of 142541401 is about 522.3725424935.

Adding to 142541401 its reverse (104145241), we get a palindrome (246686642).

The spelling of 142541401 in words is "one hundred forty-two million, five hundred forty-one thousand, four hundred one".