145481254 has 8 divisors (see below), whose sum is σ = 221479128. Its totient is φ = 71654880.

The previous prime is 145481251. The next prime is 145481261. The reversal of 145481254 is 452184541.

145481254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145481251) 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, 542707 + ... + 542974.

It is an arithmetic number, because the mean of its divisors is an integer number (27684891).

Almost surely, 2^145481254 is an apocalyptic number.

145481254 is a deficient number, since it is larger than the sum of its proper divisors (75997874).

145481254 is a wasteful number, since it uses less digits than its factorization.

145481254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085750.

The product of its digits is 25600, while the sum is 34.

The square root of 145481254 is about 12061.5610100849. The cubic root of 145481254 is about 525.9393661404.

The spelling of 145481254 in words is "one hundred forty-five million, four hundred eighty-one thousand, two hundred fifty-four".