145230136 has 16 divisors (see below), whose sum is σ = 272901600. Its totient is φ = 72456384.

The previous prime is 145230131. The next prime is 145230157. The reversal of 145230136 is 631032541.

It is a self number, because there is not a number n which added to its sum of digits gives 145230136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145230131) 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, 15901 + ... + 23308.

It is an arithmetic number, because the mean of its divisors is an integer number (17056350).

Almost surely, 2^145230136 is an apocalyptic number.

It is an amenable number.

145230136 is a deficient number, since it is larger than the sum of its proper divisors (127671464).

145230136 is a wasteful number, since it uses less digits than its factorization.

145230136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39678 (or 39674 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 145230136 is about 12051.1466674338. The cubic root of 145230136 is about 525.6365804956.

Adding to 145230136 its reverse (631032541), we get a palindrome (776262677).

The spelling of 145230136 in words is "one hundred forty-five million, two hundred thirty thousand, one hundred thirty-six".