142225541 has 8 divisors (see below), whose sum is σ = 148108800. Its totient is φ = 136407600.

The previous prime is 142225513. The next prime is 142225547. The reversal of 142225541 is 145522241.

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

It is a cyclic number.

It is not a de Polignac number, because 142225541 - 2¹⁰ = 142224517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142225541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142225547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11861 + ... + 20618.

It is an arithmetic number, because the mean of its divisors is an integer number (18513600).

Almost surely, 2^142225541 is an apocalyptic number.

It is an amenable number.

142225541 is a deficient number, since it is larger than the sum of its proper divisors (5883259).

142225541 is a wasteful number, since it uses less digits than its factorization.

142225541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32659.

The product of its digits is 3200, while the sum is 26.

The square root of 142225541 is about 11925.8350231755. The cubic root of 142225541 is about 521.9864123042.

Adding to 142225541 its reverse (145522241), we get a palindrome (287747782).

The spelling of 142225541 in words is "one hundred forty-two million, two hundred twenty-five thousand, five hundred forty-one".