145173050 has 24 divisors (see below), whose sum is σ = 294570432. Its totient is φ = 52790000.

The previous prime is 145173023. The next prime is 145173071. The reversal of 145173050 is 50371541.

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 11 ways as a sum of consecutive naturals, for example, 131426 + ... + 132525.

It is an arithmetic number, because the mean of its divisors is an integer number (12273768).

Almost surely, 2^145173050 is an apocalyptic number.

145173050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145173050 is an abundant number, since it is smaller than the sum of its proper divisors (149397382).

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

145173050 is a wasteful number, since it uses less digits than its factorization.

145173050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263974 (or 263969 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 145173050 is about 12048.7779463313. Note that the first 3 decimals coincide. The cubic root of 145173050 is about 525.5677003419.

The spelling of 145173050 in words is "one hundred forty-five million, one hundred seventy-three thousand, fifty".