145934250 has 288 divisors, whose sum is σ = 487850688. Its totient is φ = 28728000.

The previous prime is 145934249. The next prime is 145934297. The reversal of 145934250 is 52439541.

145934250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7680741 + ... + 7680759.

It is an arithmetic number, because the mean of its divisors is an integer number (1693926).

Almost surely, 2^145934250 is an apocalyptic number.

145934250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145934250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243925344).

145934250 is an abundant number, since it is smaller than the sum of its proper divisors (341916438).

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

145934250 is a wasteful number, since it uses less digits than its factorization.

145934250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 145934250 is about 12080.3249128490. The cubic root of 145934250 is about 526.4846862770.

The spelling of 145934250 in words is "one hundred forty-five million, nine hundred thirty-four thousand, two hundred fifty".