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146122144 = 257652331
BaseRepresentation
bin10001011010110…
…10010110100000
3101011221202220021
420231122112200
5244401402034
622255523224
73423006040
oct1055322640
9334852807
10146122144
1175533803
1240b29514
1324371b0c
1415599720
15cc656b4
hex8b5a5a0

146122144 has 24 divisors (see below), whose sum is σ = 328775328. Its totient is φ = 62623680.

The previous prime is 146122133. The next prime is 146122147. The reversal of 146122144 is 441221641.

It is not an unprimeable number, because it can be changed into a prime (146122147) 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, 325942 + ... + 326389.

It is an arithmetic number, because the mean of its divisors is an integer number (13698972).

Almost surely, 2146122144 is an apocalyptic number.

146122144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

146122144 is an abundant number, since it is smaller than the sum of its proper divisors (182653184).

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

146122144 is an equidigital number, since it uses as much as digits as its factorization.

146122144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652348 (or 652340 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 146122144 is about 12088.0992715977. The cubic root of 146122144 is about 526.7105434434.

Adding to 146122144 its reverse (441221641), we get a palindrome (587343785).

The spelling of 146122144 in words is "one hundred forty-six million, one hundred twenty-two thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 652331 1304662 2609324 4566317 5218648 9132634 10437296 18265268 20874592 36530536 73061072 146122144