145767856 has 40 divisors (see below), whose sum is σ = 305258240. Its totient is φ = 67032576.

The previous prime is 145767841. The next prime is 145767917. The reversal of 145767856 is 658767541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63985 + ... + 66223.

It is an arithmetic number, because the mean of its divisors is an integer number (7631456).

Almost surely, 2^145767856 is an apocalyptic number.

145767856 is a gapful number since it is divisible by the number (16) 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 145767856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152629120).

145767856 is an abundant number, since it is smaller than the sum of its proper divisors (159490384).

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

145767856 is a wasteful number, since it uses less digits than its factorization.

145767856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573 (or 2567 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The square root of 145767856 is about 12073.4359649604. The cubic root of 145767856 is about 526.2845111770.

The spelling of 145767856 in words is "one hundred forty-five million, seven hundred sixty-seven thousand, eight hundred fifty-six".