142354811 has 4 divisors (see below), whose sum is σ = 145665432. Its totient is φ = 139044192.

The previous prime is 142354789. The next prime is 142354813. The reversal of 142354811 is 118453241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118453241 = 163 ⋅726707.

It is a cyclic number.

It is not a de Polignac number, because 142354811 - 2¹⁸ = 142092667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142354813) 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, 1655246 + ... + 1655331.

It is an arithmetic number, because the mean of its divisors is an integer number (36416358).

Almost surely, 2^142354811 is an apocalyptic number.

142354811 is a deficient number, since it is larger than the sum of its proper divisors (3310621).

142354811 is an equidigital number, since it uses as much as digits as its factorization.

142354811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310620.

The product of its digits is 3840, while the sum is 29.

The square root of 142354811 is about 11931.2535385013. The cubic root of 142354811 is about 522.1445103735.

The spelling of 142354811 in words is "one hundred forty-two million, three hundred fifty-four thousand, eight hundred eleven".