145058250 has 64 divisors (see below), whose sum is σ = 363916800. Its totient is φ = 38484800.

The previous prime is 145058239. The next prime is 145058267. The reversal of 145058250 is 52850541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201391 + ... + 202109.

It is an arithmetic number, because the mean of its divisors is an integer number (5686200).

Almost surely, 2^145058250 is an apocalyptic number.

145058250 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 145058250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181958400).

145058250 is an abundant number, since it is smaller than the sum of its proper divisors (218858550).

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

145058250 is a wasteful number, since it uses less digits than its factorization.

145058250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 145058250 is about 12044.0130355293. The cubic root of 145058250 is about 525.4291275996.

The spelling of 145058250 in words is "one hundred forty-five million, fifty-eight thousand, two hundred fifty".