145648454 has 16 divisors (see below), whose sum is σ = 250387200. Its totient is φ = 62244744.

The previous prime is 145648423. The next prime is 145648457. The reversal of 145648454 is 454846541.

145648454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145648457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9464 + ... + 19515.

It is an arithmetic number, because the mean of its divisors is an integer number (15649200).

Almost surely, 2^145648454 is an apocalyptic number.

145648454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145648454 is a deficient number, since it is larger than the sum of its proper divisors (104738746).

145648454 is a wasteful number, since it uses less digits than its factorization.

145648454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29347.

The product of its digits is 307200, while the sum is 41.

The square root of 145648454 is about 12068.4901292581. The cubic root of 145648454 is about 526.1407744381.

The spelling of 145648454 in words is "one hundred forty-five million, six hundred forty-eight thousand, four hundred fifty-four".