142158453 has 4 divisors (see below), whose sum is σ = 189544608. Its totient is φ = 94772300.

The previous prime is 142158451. The next prime is 142158479. The reversal of 142158453 is 354851241.

142158453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 354851241 = 3 ⋅118283747.

It is a cyclic number.

It is not a de Polignac number, because 142158453 - 2¹ = 142158451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142158451) 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, 23693073 + ... + 23693078.

It is an arithmetic number, because the mean of its divisors is an integer number (47386152).

Almost surely, 2^142158453 is an apocalyptic number.

It is an amenable number.

142158453 is a deficient number, since it is larger than the sum of its proper divisors (47386155).

142158453 is an equidigital number, since it uses as much as digits as its factorization.

142158453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47386154.

The product of its digits is 19200, while the sum is 33.

The square root of 142158453 is about 11923.0219743151. The cubic root of 142158453 is about 521.9043254727.

The spelling of 142158453 in words is "one hundred forty-two million, one hundred fifty-eight thousand, four hundred fifty-three".