146144550 has 48 divisors (see below), whose sum is σ = 364530240. Its totient is φ = 38747040.

The previous prime is 146144533. The next prime is 146144567. The reversal of 146144550 is 55441641.

It is an interprime number because it is at equal distance from previous prime (146144533) and next prime (146144567).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24129 + ... + 29571.

It is an arithmetic number, because the mean of its divisors is an integer number (7594380).

Almost surely, 2^146144550 is an apocalyptic number.

146144550 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 146144550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182265120).

146144550 is an abundant number, since it is smaller than the sum of its proper divisors (218385690).

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

146144550 is a wasteful number, since it uses less digits than its factorization.

146144550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637 (or 5632 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 146144550 is about 12089.0260153579. The cubic root of 146144550 is about 526.7374635551.

The spelling of 146144550 in words is "one hundred forty-six million, one hundred forty-four thousand, five hundred fifty".