145450544 has 20 divisors (see below), whose sum is σ = 291528960. Its totient is φ = 70217280.

The previous prime is 145450531. The next prime is 145450559. The reversal of 145450544 is 445054541.

145450544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 145450544.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156272 + ... + 157199.

It is an arithmetic number, because the mean of its divisors is an integer number (14576448).

Almost surely, 2^145450544 is an apocalyptic number.

It is an amenable number.

145450544 is an abundant number, since it is smaller than the sum of its proper divisors (146078416).

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

145450544 is a wasteful number, since it uses less digits than its factorization.

145450544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313508 (or 313502 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 145450544 is about 12060.2878904278. The cubic root of 145450544 is about 525.9023562528.

The spelling of 145450544 in words is "one hundred forty-five million, four hundred fifty thousand, five hundred forty-four".