145819936 has 12 divisors (see below), whose sum is σ = 287083062. Its totient is φ = 72909952.

The previous prime is 145819913. The next prime is 145819937. The reversal of 145819936 is 639918541.

It can be written as a sum of positive squares in only one way, i.e., 80209936 + 65610000 = 8956^2 + 8100^2 .

It is not an unprimeable number, because it can be changed into a prime (145819937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2278405 + ... + 2278468.

Almost surely, 2^145819936 is an apocalyptic number.

145819936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145819936 is a deficient number, since it is larger than the sum of its proper divisors (141263126).

145819936 is an equidigital number, since it uses as much as digits as its factorization.

145819936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556883 (or 4556875 counting only the distinct ones).

The product of its digits is 233280, while the sum is 46.

The square root of 145819936 is about 12075.5925734516. The cubic root of 145819936 is about 526.3471807635.

The spelling of 145819936 in words is "one hundred forty-five million, eight hundred nineteen thousand, nine hundred thirty-six".