145841850 has 384 divisors, whose sum is σ = 531394560. Its totient is φ = 28512000.

The previous prime is 145841833. The next prime is 145841851. The reversal of 145841850 is 58148541.

145841850 is a `hidden beast` number, since 14 + 584 + 18 + 50 = 666.

It is a super-2 number, since 2×145841850² = 42539690422845000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145841851) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2390820 + ... + 2390880.

It is an arithmetic number, because the mean of its divisors is an integer number (1383840).

Almost surely, 2^145841850 is an apocalyptic number.

145841850 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 145841850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265697280).

145841850 is an abundant number, since it is smaller than the sum of its proper divisors (385552710).

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

145841850 is a wasteful number, since it uses less digits than its factorization.

145841850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 145841850 is about 12076.4999068439. The cubic root of 145841850 is about 526.3735461441.

The spelling of 145841850 in words is "one hundred forty-five million, eight hundred forty-one thousand, eight hundred fifty".