142011377 has 4 divisors (see below), whose sum is σ = 149485680. Its totient is φ = 134537076.

The previous prime is 142011349. The next prime is 142011437. The reversal of 142011377 is 773110241.

It is a happy number.

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: 773110241 = 17 ⋅45477073.

It is a cyclic number.

It is not a de Polignac number, because 142011377 - 2⁶ = 142011313 is a prime.

It is a super-2 number, since 2×142011377² = 40334462394872258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142011307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3737123 + ... + 3737160.

It is an arithmetic number, because the mean of its divisors is an integer number (37371420).

Almost surely, 2^142011377 is an apocalyptic number.

It is an amenable number.

142011377 is a deficient number, since it is larger than the sum of its proper divisors (7474303).

142011377 is an equidigital number, since it uses as much as digits as its factorization.

142011377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7474302.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 142011377 is about 11916.8526465674. The cubic root of 142011377 is about 521.7242773508.

The spelling of 142011377 in words is "one hundred forty-two million, eleven thousand, three hundred seventy-seven".