142464453 has 4 divisors (see below), whose sum is σ = 189952608. Its totient is φ = 94976300.

The previous prime is 142464449. The next prime is 142464493. The reversal of 142464453 is 354464241.

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: 354464241 = 3 ⋅118154747.

It is a cyclic number.

It is not a de Polignac number, because 142464453 - 2² = 142464449 is a prime.

It is a super-2 number, since 2×142464453² = 40592240737178418, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142464493) 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, 23744073 + ... + 23744078.

It is an arithmetic number, because the mean of its divisors is an integer number (47488152).

Almost surely, 2^142464453 is an apocalyptic number.

It is an amenable number.

142464453 is a deficient number, since it is larger than the sum of its proper divisors (47488155).

142464453 is an equidigital number, since it uses as much as digits as its factorization.

142464453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47488154.

The product of its digits is 46080, while the sum is 33.

The square root of 142464453 is about 11935.8473934614. The cubic root of 142464453 is about 522.2785282699.

The spelling of 142464453 in words is "one hundred forty-two million, four hundred sixty-four thousand, four hundred fifty-three".