143452454 has 4 divisors (see below), whose sum is σ = 215178684. Its totient is φ = 71726226.

The previous prime is 143452453. The next prime is 143452457. The reversal of 143452454 is 454254341.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 143452454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143452453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35863112 + ... + 35863115.

It is an arithmetic number, because the mean of its divisors is an integer number (53794671).

Almost surely, 2^143452454 is an apocalyptic number.

143452454 is a deficient number, since it is larger than the sum of its proper divisors (71726230).

143452454 is an equidigital number, since it uses as much as digits as its factorization.

143452454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71726229.

The product of its digits is 38400, while the sum is 32.

The square root of 143452454 is about 11977.1638546026. The cubic root of 143452454 is about 523.4830940707.

The spelling of 143452454 in words is "one hundred forty-three million, four hundred fifty-two thousand, four hundred fifty-four".