145310850 has 72 divisors (see below), whose sum is σ = 394545060. Its totient is φ = 38338560.

The previous prime is 145310819. The next prime is 145310899. The reversal of 145310850 is 58013541.

It can be written as a sum of positive squares in 6 ways, for example, as 41332041 + 103978809 = 6429^2 + 10197^2 .

It is a super-2 number, since 2×145310850² = 42230486255445000, which contains 22 as substring.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41986 + ... + 45314.

Almost surely, 2^145310850 is an apocalyptic number.

145310850 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 145310850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197272530).

145310850 is an abundant number, since it is smaller than the sum of its proper divisors (249234210).

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

145310850 is a wasteful number, since it uses less digits than its factorization.

145310850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444 (or 3436 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 145310850 is about 12054.4950122351. The cubic root of 145310850 is about 525.7339394756.

The spelling of 145310850 in words is "one hundred forty-five million, three hundred ten thousand, eight hundred fifty".