146318550 has 96 divisors (see below), whose sum is σ = 416949504. Its totient is φ = 33264000.

The previous prime is 146318537. The next prime is 146318561. The reversal of 146318550 is 55813641.

It is a congruent 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 47 ways as a sum of consecutive naturals, for example, 347340 + ... + 347760.

It is an arithmetic number, because the mean of its divisors is an integer number (4343224).

Almost surely, 2^146318550 is an apocalyptic number.

146318550 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 146318550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208474752).

146318550 is an abundant number, since it is smaller than the sum of its proper divisors (270630954).

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

146318550 is a wasteful number, since it uses less digits than its factorization.

146318550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 146318550 is about 12096.2204841016. The cubic root of 146318550 is about 526.9464255471.

The spelling of 146318550 in words is "one hundred forty-six million, three hundred eighteen thousand, five hundred fifty".