145217150 has 48 divisors (see below), whose sum is σ = 292939584. Its totient is φ = 53239680.

The previous prime is 145217143. The next prime is 145217159. The reversal of 145217150 is 51712541.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145217159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101339 + ... + 102761.

It is an arithmetic number, because the mean of its divisors is an integer number (6102908).

Almost surely, 2^145217150 is an apocalyptic number.

145217150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145217150 is an abundant number, since it is smaller than the sum of its proper divisors (147722434).

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

145217150 is a wasteful number, since it uses less digits than its factorization.

145217150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 145217150 is about 12050.6078684853. The cubic root of 145217150 is about 525.6209131319.

Adding to 145217150 its reverse (51712541), we get a palindrome (196929691).

The spelling of 145217150 in words is "one hundred forty-five million, two hundred seventeen thousand, one hundred fifty".