146454140 has 96 divisors (see below), whose sum is σ = 368995200. Its totient is φ = 48771072.

The previous prime is 146454131. The next prime is 146454151. The reversal of 146454140 is 41454641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253532 + ... + 254108.

It is an arithmetic number, because the mean of its divisors is an integer number (3843700).

Almost surely, 2^146454140 is an apocalyptic number.

146454140 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 146454140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184497600).

146454140 is an abundant number, since it is smaller than the sum of its proper divisors (222541060).

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

146454140 is a wasteful number, since it uses less digits than its factorization.

146454140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 146454140 is about 12101.8238294895. The cubic root of 146454140 is about 527.1091449637.

The spelling of 146454140 in words is "one hundred forty-six million, four hundred fifty-four thousand, one hundred forty".