145226532 has 48 divisors (see below), whose sum is σ = 372621312. Its totient is φ = 43656480.

The previous prime is 145226527. The next prime is 145226539. The reversal of 145226532 is 235622541.

It is a self number, because there is not a number n which added to its sum of digits gives 145226532.

It is not an unprimeable number, because it can be changed into a prime (145226539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12433 + ... + 21095.

It is an arithmetic number, because the mean of its divisors is an integer number (7762944).

Almost surely, 2^145226532 is an apocalyptic number.

145226532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145226532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186310656).

145226532 is an abundant number, since it is smaller than the sum of its proper divisors (227394780).

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

145226532 is a wasteful number, since it uses less digits than its factorization.

145226532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808 (or 8806 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 145226532 is about 12050.9971371667. The cubic root of 145226532 is about 525.6322324314.

The spelling of 145226532 in words is "one hundred forty-five million, two hundred twenty-six thousand, five hundred thirty-two".