146455240 has 16 divisors (see below), whose sum is σ = 329524380. Its totient is φ = 58582080.

The previous prime is 146455223. The next prime is 146455241. The reversal of 146455240 is 42554641.

It is a happy number.

146455240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 146361604 + 93636 = 12098^2 + 306^2 .

It is not an unprimeable number, because it can be changed into a prime (146455241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1830651 + ... + 1830730.

Almost surely, 2^146455240 is an apocalyptic number.

146455240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146455240 is an abundant number, since it is smaller than the sum of its proper divisors (183069140).

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

146455240 is a wasteful number, since it uses less digits than its factorization.

146455240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661392 (or 3661388 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 146455240 is about 12101.8692770993. The cubic root of 146455240 is about 527.1104646455.

The spelling of 146455240 in words is "one hundred forty-six million, four hundred fifty-five thousand, two hundred forty".