145723836 has 24 divisors (see below), whose sum is σ = 340224640. Its totient is φ = 48545712.

The previous prime is 145723817. The next prime is 145723859. The reversal of 145723836 is 638327541.

It is a junction number, because it is equal to n+sod(n) for n = 145723794 and 145723803.

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, 29625 + ... + 34191.

Almost surely, 2^145723836 is an apocalyptic number.

It is an amenable number.

145723836 is an abundant number, since it is smaller than the sum of its proper divisors (194500804).

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

145723836 is a wasteful number, since it uses less digits than its factorization.

145723836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233 (or 7231 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 145723836 is about 12071.6128168526. The cubic root of 145723836 is about 526.2315288134.

The spelling of 145723836 in words is "one hundred forty-five million, seven hundred twenty-three thousand, eight hundred thirty-six".