145353544 has 64 divisors (see below), whose sum is σ = 325094400. Its totient is φ = 59616000.

The previous prime is 145353541. The next prime is 145353589. The reversal of 145353544 is 445353541.

It is a super-2 number, since 2×145353544² = 42255305506719872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (145353541) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 174922 + ... + 175750.

It is an arithmetic number, because the mean of its divisors is an integer number (5079600).

Almost surely, 2^145353544 is an apocalyptic number.

145353544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145353544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162547200).

145353544 is an abundant number, since it is smaller than the sum of its proper divisors (179740856).

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

145353544 is a wasteful number, since it uses less digits than its factorization.

145353544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 970 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 145353544 is about 12056.2657568585. The cubic root of 145353544 is about 525.7854233276.

The spelling of 145353544 in words is "one hundred forty-five million, three hundred fifty-three thousand, five hundred forty-four".