146838550 has 48 divisors (see below), whose sum is σ = 281856960. Its totient is φ = 56881440.

The previous prime is 146838541. The next prime is 146838557. The reversal of 146838550 is 55838641.

It is a super-2 number, since 2×146838550² = 43123119532205000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146838557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350241 + ... + 350659.

It is an arithmetic number, because the mean of its divisors is an integer number (5872020).

Almost surely, 2^146838550 is an apocalyptic number.

146838550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146838550 is a deficient number, since it is larger than the sum of its proper divisors (135018410).

146838550 is a wasteful number, since it uses less digits than its factorization.

146838550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 146838550 is about 12117.6957380519. The cubic root of 146838550 is about 527.5699240206.

Subtracting from 146838550 its reverse (55838641), we obtain a palindrome (90999909).

The spelling of 146838550 in words is "one hundred forty-six million, eight hundred thirty-eight thousand, five hundred fifty".