145951236 has 144 divisors (see below), whose sum is σ = 409427200. Its totient is φ = 43670016.

The previous prime is 145951187. The next prime is 145951271. The reversal of 145951236 is 632159541.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 145951236.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1847445 + ... + 1847523.

Almost surely, 2^145951236 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 145951236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204713600).

145951236 is an abundant number, since it is smaller than the sum of its proper divisors (263475964).

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

145951236 is a wasteful number, since it uses less digits than its factorization.

145951236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 213 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 145951236 is about 12081.0279363968. The cubic root of 145951236 is about 526.5051121924.

The spelling of 145951236 in words is "one hundred forty-five million, nine hundred fifty-one thousand, two hundred thirty-six".