145330944 has 72 divisors (see below), whose sum is σ = 421979712. Its totient is φ = 44037120.

The previous prime is 145330921. The next prime is 145330967. The reversal of 145330944 is 449033541.

It is an interprime number because it is at equal distance from previous prime (145330921) and next prime (145330967).

It is a super-2 number, since 2×145330944² = 42242166567862272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent 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, 154 + ... + 17049.

Almost surely, 2^145330944 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 145330944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210989856).

145330944 is an abundant number, since it is smaller than the sum of its proper divisors (276648768).

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

145330944 is a wasteful number, since it uses less digits than its factorization.

145330944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17233 (or 17219 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 145330944 is about 12055.3284484497. The cubic root of 145330944 is about 525.7581716897.

The spelling of 145330944 in words is "one hundred forty-five million, three hundred thirty thousand, nine hundred forty-four".