145567836 has 72 divisors (see below), whose sum is σ = 378443520. Its totient is φ = 47156256.

The previous prime is 145567823. The next prime is 145567837. The reversal of 145567836 is 638765541.

145567836 is a `hidden beast` number, since 1 + 4 + 5 + 567 + 83 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 145567791 and 145567800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145567837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383895 + ... + 384273.

It is an arithmetic number, because the mean of its divisors is an integer number (5256160).

Almost surely, 2^145567836 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 145567836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189221760).

145567836 is an abundant number, since it is smaller than the sum of its proper divisors (232875684).

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

145567836 is a wasteful number, since it uses less digits than its factorization.

145567836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 658 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 145567836 is about 12065.1496468133. The cubic root of 145567836 is about 526.0436816456.

The spelling of 145567836 in words is "one hundred forty-five million, five hundred sixty-seven thousand, eight hundred thirty-six".