145191736 has 16 divisors (see below), whose sum is σ = 278566200. Its totient is φ = 70907424.

The previous prime is 145191731. The next prime is 145191757. The reversal of 145191736 is 637191541.

It is a happy number.

145191736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145191695 and 145191704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145191731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210691 + ... + 211378.

Almost surely, 2^145191736 is an apocalyptic number.

It is an amenable number.

145191736 is a deficient number, since it is larger than the sum of its proper divisors (133374464).

145191736 is a wasteful number, since it uses less digits than its factorization.

145191736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422118 (or 422114 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 145191736 is about 12049.5533527181. The cubic root of 145191736 is about 525.5902489181.

The spelling of 145191736 in words is "one hundred forty-five million, one hundred ninety-one thousand, seven hundred thirty-six".