145163344 has 20 divisors (see below), whose sum is σ = 296057440. Its totient is φ = 68761440.

The previous prime is 145163341. The next prime is 145163351. The reversal of 145163344 is 443361541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145163341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238452 + ... + 239059.

It is an arithmetic number, because the mean of its divisors is an integer number (14802872).

Almost surely, 2^145163344 is an apocalyptic number.

It is an amenable number.

145163344 is an abundant number, since it is smaller than the sum of its proper divisors (150894096).

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

145163344 is a wasteful number, since it uses less digits than its factorization.

145163344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477538 (or 477532 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 145163344 is about 12048.3751601616. The cubic root of 145163344 is about 525.5559872547. Note that the first 3 decimals are identical.

The spelling of 145163344 in words is "one hundred forty-five million, one hundred sixty-three thousand, three hundred forty-four".