144501454 has 4 divisors (see below), whose sum is σ = 216752184. Its totient is φ = 72250726.

The previous prime is 144501439. The next prime is 144501473. The reversal of 144501454 is 454105441.

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

It is a super-2 number, since 2×144501454² = 41761340416228232, which contains 22 as substring.

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, 36125362 + ... + 36125365.

It is an arithmetic number, because the mean of its divisors is an integer number (54188046).

Almost surely, 2^144501454 is an apocalyptic number.

144501454 is a deficient number, since it is larger than the sum of its proper divisors (72250730).

144501454 is an equidigital number, since it uses as much as digits as its factorization.

144501454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72250729.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 144501454 is about 12020.8757584462. The cubic root of 144501454 is about 524.7559912182.

Adding to 144501454 its reverse (454105441), we get a palindrome (598606895).

The spelling of 144501454 in words is "one hundred forty-four million, five hundred one thousand, four hundred fifty-four".