145234628 has 144 divisors (see below), whose sum is σ = 347493888. Its totient is φ = 52416000.

The previous prime is 145234589. The next prime is 145234643. The reversal of 145234628 is 826432541.

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, 2740250 + ... + 2740302.

It is an arithmetic number, because the mean of its divisors is an integer number (2413152).

Almost surely, 2^145234628 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 145234628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173746944).

145234628 is an abundant number, since it is smaller than the sum of its proper divisors (202259260).

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

145234628 is a wasteful number, since it uses less digits than its factorization.

145234628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 145 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 145234628 is about 12051.3330382991. Note that the first 3 decimals coincide. The cubic root of 145234628 is about 525.6419997914.

The spelling of 145234628 in words is "one hundred forty-five million, two hundred thirty-four thousand, six hundred twenty-eight".