145812936 has 64 divisors (see below), whose sum is σ = 373726080. Its totient is φ = 47393280.

The previous prime is 145812889. The next prime is 145812949. The reversal of 145812936 is 639218541.

It is a super-2 number, since 2×145812936² = 42522824609880192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 145812894 and 145812903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200205 + ... + 200931.

It is an arithmetic number, because the mean of its divisors is an integer number (5839470).

Almost surely, 2^145812936 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 145812936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186863040).

145812936 is an abundant number, since it is smaller than the sum of its proper divisors (227913144).

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

145812936 is a wasteful number, since it uses less digits than its factorization.

145812936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 930 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 145812936 is about 12075.3027291244. The cubic root of 145812936 is about 526.3387583001.

The spelling of 145812936 in words is "one hundred forty-five million, eight hundred twelve thousand, nine hundred thirty-six".