146234040 has 32 divisors (see below), whose sum is σ = 438702480. Its totient is φ = 38995712.

The previous prime is 146234021. The next prime is 146234071. The reversal of 146234040 is 40432641.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 146234040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609189 + ... + 609428.

Almost surely, 2^146234040 is an apocalyptic number.

146234040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146234040 is an abundant number, since it is smaller than the sum of its proper divisors (292468440).

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

146234040 is a wasteful number, since it uses less digits than its factorization.

146234040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218631 (or 1218627 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 146234040 is about 12092.7267396564. The cubic root of 146234040 is about 526.8449555723.

Adding to 146234040 its reverse (40432641), we get a palindrome (186666681).

The spelling of 146234040 in words is "one hundred forty-six million, two hundred thirty-four thousand, forty".