146001240 has 384 divisors, whose sum is σ = 620006400. Its totient is φ = 28892160.

The previous prime is 146001209. The next prime is 146001269. The reversal of 146001240 is 42100641.

146001240 is a `hidden beast` number, since 14 + 600 + 12 + 40 = 666.

146001240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 637446 + ... + 637674.

It is an arithmetic number, because the mean of its divisors is an integer number (1614600).

Almost surely, 2^146001240 is an apocalyptic number.

146001240 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 146001240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310003200).

146001240 is an abundant number, since it is smaller than the sum of its proper divisors (474005160).

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

146001240 is a wasteful number, since it uses less digits than its factorization.

146001240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 146001240 is about 12083.0972850507. The cubic root of 146001240 is about 526.5652335413.

Adding to 146001240 its reverse (42100641), we get a palindrome (188101881).

The spelling of 146001240 in words is "one hundred forty-six million, one thousand, two hundred forty".