145769016 has 64 divisors (see below), whose sum is σ = 392251680. Its totient is φ = 44974080.

The previous prime is 145768979. The next prime is 145769021. The reversal of 145769016 is 610967541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21960 + ... + 27816.

Almost surely, 2^145769016 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 145769016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196125840).

145769016 is an abundant number, since it is smaller than the sum of its proper divisors (246482664).

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

145769016 is a wasteful number, since it uses less digits than its factorization.

145769016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944 (or 5940 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 145769016 is about 12073.4840042135. The cubic root of 145769016 is about 526.2859072059.

The spelling of 145769016 in words is "one hundred forty-five million, seven hundred sixty-nine thousand, sixteen".