145550448 has 30 divisors (see below), whose sum is σ = 407339504. Its totient is φ = 48516768.

The previous prime is 145550429. The next prime is 145550459. The reversal of 145550448 is 844055541.

It is a happy number.

145550448 is a `hidden beast` number, since 145 + 5 + 504 + 4 + 8 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505240 + ... + 505527.

Almost surely, 2^145550448 is an apocalyptic number.

145550448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

145550448 is an abundant number, since it is smaller than the sum of its proper divisors (261789056).

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

145550448 is a wasteful number, since it uses less digits than its factorization.

145550448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010781 (or 1010772 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The square root of 145550448 is about 12064.4290374638. The cubic root of 145550448 is about 526.0227355997.

The spelling of 145550448 in words is "one hundred forty-five million, five hundred fifty thousand, four hundred forty-eight".