145070850 has 24 divisors (see below), whose sum is σ = 359776080. Its totient is φ = 38685520.

The previous prime is 145070831. The next prime is 145070881. The reversal of 145070850 is 58070541.

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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 483420 + ... + 483719.

It is an arithmetic number, because the mean of its divisors is an integer number (14990670).

Almost surely, 2^145070850 is an apocalyptic number.

145070850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145070850 is an abundant number, since it is smaller than the sum of its proper divisors (214705230).

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

145070850 is a wasteful number, since it uses less digits than its factorization.

145070850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967154 (or 967149 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 145070850 is about 12044.5361056373. The cubic root of 145070850 is about 525.4443403741. Note that the first 3 decimals are identical.

The spelling of 145070850 in words is "one hundred forty-five million, seventy thousand, eight hundred fifty".