145243050 has 48 divisors (see below), whose sum is σ = 363807072. Its totient is φ = 38344000.

The previous prime is 145243039. The next prime is 145243061. The reversal of 145243050 is 50342541.

It is an interprime number because it is at equal distance from previous prime (145243039) and next prime (145243061).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145243050.

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 23 ways as a sum of consecutive naturals, for example, 10357 + ... + 19943.

It is an arithmetic number, because the mean of its divisors is an integer number (7579314).

Almost surely, 2^145243050 is an apocalyptic number.

145243050 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 145243050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181903536).

145243050 is an abundant number, since it is smaller than the sum of its proper divisors (218564022).

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

145243050 is a wasteful number, since it uses less digits than its factorization.

145243050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9703 (or 9698 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 145243050 is about 12051.6824551595. The cubic root of 145243050 is about 525.6521600666.

Adding to 145243050 its reverse (50342541), we get a palindrome (195585591).

The spelling of 145243050 in words is "one hundred forty-five million, two hundred forty-three thousand, fifty".