146043454 has 4 divisors (see below), whose sum is σ = 219065184. Its totient is φ = 73021726.

The previous prime is 146043427. The next prime is 146043473. The reversal of 146043454 is 454340641.

146043454 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.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36510862 + ... + 36510865.

It is an arithmetic number, because the mean of its divisors is an integer number (54766296).

Almost surely, 2^146043454 is an apocalyptic number.

146043454 is a deficient number, since it is larger than the sum of its proper divisors (73021730).

146043454 is an equidigital number, since it uses as much as digits as its factorization.

146043454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73021729.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 146043454 is about 12084.8439791335. The cubic root of 146043454 is about 526.6159780482.

The spelling of 146043454 in words is "one hundred forty-six million, forty-three thousand, four hundred fifty-four".