146418280 has 64 divisors (see below), whose sum is σ = 350911440. Its totient is φ = 54792192.

The previous prime is 146418271. The next prime is 146418323. The reversal of 146418280 is 82814641.

It can be written as a sum of positive squares in 8 ways, for example, as 145974724 + 443556 = 12082^2 + 666^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133414 + ... + 134506.

Almost surely, 2^146418280 is an apocalyptic number.

146418280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146418280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175455720).

146418280 is an abundant number, since it is smaller than the sum of its proper divisors (204493160).

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

146418280 is a wasteful number, since it uses less digits than its factorization.

146418280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 146418280 is about 12100.3421439230. The cubic root of 146418280 is about 527.0661197161.

The spelling of 146418280 in words is "one hundred forty-six million, four hundred eighteen thousand, two hundred eighty".