145412344 has 64 divisors (see below), whose sum is σ = 345772800. Its totient is φ = 55680000.

The previous prime is 145412329. The next prime is 145412357. The reversal of 145412344 is 443214541.

It is a super-2 number, since 2×145412344² = 42289499575148672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 34344 + ... + 38344.

It is an arithmetic number, because the mean of its divisors is an integer number (5402700).

Almost surely, 2^145412344 is an apocalyptic number.

145412344 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 145412344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172886400).

145412344 is an abundant number, since it is smaller than the sum of its proper divisors (200360456).

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

145412344 is a wasteful number, since it uses less digits than its factorization.

145412344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084 (or 4080 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 145412344 is about 12058.7040763094. The cubic root of 145412344 is about 525.8563125864.

Adding to 145412344 its reverse (443214541), we get a palindrome (588626885).

The spelling of 145412344 in words is "one hundred forty-five million, four hundred twelve thousand, three hundred forty-four".