145992144 has 80 divisors (see below), whose sum is σ = 398974464. Its totient is φ = 45926400.

The previous prime is 145992127. The next prime is 145992151. The reversal of 145992144 is 441299541.

It is a super-2 number, since 2×145992144² = 42627412219433472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 59812 + ... + 62204.

Almost surely, 2^145992144 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 145992144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199487232).

145992144 is an abundant number, since it is smaller than the sum of its proper divisors (252982320).

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

145992144 is a wasteful number, since it uses less digits than its factorization.

145992144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476 (or 2470 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 145992144 is about 12082.7208856284. The cubic root of 145992144 is about 526.5542981620.

The spelling of 145992144 in words is "one hundred forty-five million, nine hundred ninety-two thousand, one hundred forty-four".