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146022141 = 31392411453
BaseRepresentation
bin10001011010000…
…01111011111101
3101011202200201110
420231001323331
5244340202031
622253432233
73422111346
oct1055017375
9334680643
10146022141
1175475661
1240a9b679
1324338445
14155710cd
15cc45c46
hex8b41efd

146022141 has 16 divisors (see below), whose sum is σ = 197046080. Its totient is φ = 96180480.

The previous prime is 146022139. The next prime is 146022143. The reversal of 146022141 is 141220641.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (146022139) and next prime (146022143).

It is not a de Polignac number, because 146022141 - 21 = 146022139 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146022143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99771 + ... + 101223.

It is an arithmetic number, because the mean of its divisors is an integer number (12315380).

Almost surely, 2146022141 is an apocalyptic number.

It is an amenable number.

146022141 is a deficient number, since it is larger than the sum of its proper divisors (51023939).

146022141 is a wasteful number, since it uses less digits than its factorization.

146022141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 146022141 is about 12083.9621399606. The cubic root of 146022141 is about 526.5903593891.

Adding to 146022141 its reverse (141220641), we get a palindrome (287242782).

The spelling of 146022141 in words is "one hundred forty-six million, twenty-two thousand, one hundred forty-one".

Divisors: 1 3 139 241 417 723 1453 4359 33499 100497 201967 350173 605901 1050519 48674047 146022141