146240030 has 32 divisors (see below), whose sum is σ = 275425920. Its totient is φ = 55847680.

The previous prime is 146240009. The next prime is 146240047. The reversal of 146240030 is 30042641.

It is a happy number.

It is a super-2 number, since 2×146240030² = 42772292748801800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 146239984 and 146240011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15476 + ... + 23064.

It is an arithmetic number, because the mean of its divisors is an integer number (8607060).

Almost surely, 2^146240030 is an apocalyptic number.

146240030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146240030 is a deficient number, since it is larger than the sum of its proper divisors (129185890).

146240030 is a wasteful number, since it uses less digits than its factorization.

146240030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7684.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 146240030 is about 12092.9744066545. The cubic root of 146240030 is about 526.8521489686.

Adding to 146240030 its reverse (30042641), we get a palindrome (176282671).

The spelling of 146240030 in words is "one hundred forty-six million, two hundred forty thousand, thirty".