145310544 has 80 divisors (see below), whose sum is σ = 428415040. Its totient is φ = 47122560.

The previous prime is 145310533. The next prime is 145310551. The reversal of 145310544 is 445013541.

It is a happy number.

It is a super-2 number, since 2×145310544² = 42230308395151872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11439 + ... + 20529.

It is an arithmetic number, because the mean of its divisors is an integer number (5355188).

Almost surely, 2^145310544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145310544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214207520).

145310544 is an abundant number, since it is smaller than the sum of its proper divisors (283104496).

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

145310544 is a wasteful number, since it uses less digits than its factorization.

145310544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9145 (or 9133 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 145310544 is about 12054.4823198676. The cubic root of 145310544 is about 525.7335704398.

The spelling of 145310544 in words is "one hundred forty-five million, three hundred ten thousand, five hundred forty-four".