145453448 has 32 divisors (see below), whose sum is σ = 313977600. Its totient is φ = 61878912.

The previous prime is 145453439. The next prime is 145453489. The reversal of 145453448 is 844354541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1808 + ... + 17151.

It is an arithmetic number, because the mean of its divisors is an integer number (9811800).

Almost surely, 2^145453448 is an apocalyptic number.

It is an amenable number.

145453448 is an abundant number, since it is smaller than the sum of its proper divisors (168524152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145453448 is a wasteful number, since it uses less digits than its factorization.

145453448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19109 (or 19105 counting only the distinct ones).

The product of its digits is 153600, while the sum is 38.

The square root of 145453448 is about 12060.4082849628. The cubic root of 145453448 is about 525.9058562060.

The spelling of 145453448 in words is "one hundred forty-five million, four hundred fifty-three thousand, four hundred forty-eight".