146890240 has 120 divisors (see below), whose sum is σ = 410042952. Its totient is φ = 50319360.

The previous prime is 146890231. The next prime is 146890243. The reversal of 146890240 is 42098641.

It is a junction number, because it is equal to n+sod(n) for n = 146890196 and 146890205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146890243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124855 + ... + 126025.

Almost surely, 2^146890240 is an apocalyptic number.

146890240 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 146890240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205021476).

146890240 is an abundant number, since it is smaller than the sum of its proper divisors (263152712).

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

146890240 is an equidigital number, since it uses as much as digits as its factorization.

146890240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 146890240 is about 12119.8283816232. The cubic root of 146890240 is about 527.6318216856.

The spelling of 146890240 in words is "one hundred forty-six million, eight hundred ninety thousand, two hundred forty".