142764451 has 4 divisors (see below), whose sum is σ = 142909504. Its totient is φ = 142619400.

The previous prime is 142764449. The next prime is 142764467. The reversal of 142764451 is 154467241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154467241 = 23 ⋅6715967.

It is a cyclic number.

It is not a de Polignac number, because 142764451 - 2¹ = 142764449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142764431) 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 3 ways as a sum of consecutive naturals, for example, 71040 + ... + 73021.

It is an arithmetic number, because the mean of its divisors is an integer number (35727376).

Almost surely, 2^142764451 is an apocalyptic number.

142764451 is a deficient number, since it is larger than the sum of its proper divisors (145053).

142764451 is an equidigital number, since it uses as much as digits as its factorization.

142764451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145052.

The product of its digits is 26880, while the sum is 34.

The square root of 142764451 is about 11948.4078855720. The cubic root of 142764451 is about 522.6448714986.

The spelling of 142764451 in words is "one hundred forty-two million, seven hundred sixty-four thousand, four hundred fifty-one".