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146400044 = 2272746939
BaseRepresentation
bin10001011100111…
…10001100101100
3101012110220002212
420232132030230
5244434300134
622305505552
73425244200
oct1056361454
9335426085
10146400044
117570357a
12410422b8
132443b45b
141562cb00
15ccbcbce
hex8b9e32c

146400044 has 18 divisors (see below), whose sum is σ = 298029060. Its totient is φ = 62742792.

The previous prime is 146400041. The next prime is 146400047. The reversal of 146400044 is 440004641.

146400044 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (146400041) and next prime (146400047).

It is a junction number, because it is equal to n+sod(n) for n = 146399992 and 146400019.

It is not an unprimeable number, because it can be changed into a prime (146400041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373274 + ... + 373665.

It is an arithmetic number, because the mean of its divisors is an integer number (16557170).

Almost surely, 2146400044 is an apocalyptic number.

146400044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

146400044 is an abundant number, since it is smaller than the sum of its proper divisors (151629016).

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

146400044 is a wasteful number, since it uses less digits than its factorization.

146400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746957 (or 746948 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 146400044 is about 12099.5885880471. The cubic root of 146400044 is about 527.0442372553.

Adding to 146400044 its reverse (440004641), we get a palindrome (586404685).

The spelling of 146400044 in words is "one hundred forty-six million, four hundred thousand, forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 746939 1493878 2987756 5228573 10457146 20914292 36600011 73200022 146400044