145930944 has 112 divisors (see below), whose sum is σ = 411276800. Its totient is φ = 45536256.

The previous prime is 145930943. The next prime is 145930951. The reversal of 145930944 is 449039541.

It is a super-2 number, since 2×145930944² = 42591680833462272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145930943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397449 + ... + 397815.

Almost surely, 2^145930944 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 145930944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205638400).

145930944 is an abundant number, since it is smaller than the sum of its proper divisors (265345856).

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

145930944 is a wasteful number, since it uses less digits than its factorization.

145930944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 145930944 is about 12080.1880780061. The cubic root of 145930944 is about 526.4807105790.

The spelling of 145930944 in words is "one hundred forty-five million, nine hundred thirty thousand, nine hundred forty-four".