145136136 has 32 divisors (see below), whose sum is σ = 381938400. Its totient is φ = 45832320.

The previous prime is 145136119. The next prime is 145136143. The reversal of 145136136 is 631631541.

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, 158685 + ... + 159596.

It is an arithmetic number, because the mean of its divisors is an integer number (11935575).

Almost surely, 2^145136136 is an apocalyptic number.

It is an amenable number.

145136136 is an abundant number, since it is smaller than the sum of its proper divisors (236802264).

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

145136136 is a wasteful number, since it uses less digits than its factorization.

145136136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318309 (or 318305 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 145136136 is about 12047.2459923420. The cubic root of 145136136 is about 525.5231501753.

Adding to 145136136 its reverse (631631541), we get a palindrome (776767677).

The spelling of 145136136 in words is "one hundred forty-five million, one hundred thirty-six thousand, one hundred thirty-six".