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146144666 = 21075631213
BaseRepresentation
bin10001011010111…
…11110110011010
3101011222220210102
420231133312122
5244403112131
622300215402
73423131513
oct1055376632
9334886712
10146144666
1175549718
1240b3a562
132437c145
14155a3a0a
15cc6c1cb
hex8b5fd9a

146144666 has 16 divisors (see below), whose sum is σ = 221841504. Its totient is φ = 72201264.

The previous prime is 146144653. The next prime is 146144671. The reversal of 146144666 is 666441641.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119876 + ... + 121088.

It is an arithmetic number, because the mean of its divisors is an integer number (13865094).

Almost surely, 2146144666 is an apocalyptic number.

146144666 is a deficient number, since it is larger than the sum of its proper divisors (75696838).

146144666 is a wasteful number, since it uses less digits than its factorization.

146144666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885.

The product of its digits is 82944, while the sum is 38.

The square root of 146144666 is about 12089.0308130966. The cubic root of 146144666 is about 526.7376029183.

The spelling of 146144666 in words is "one hundred forty-six million, one hundred forty-four thousand, six hundred sixty-six".

Divisors: 1 2 107 214 563 1126 1213 2426 60241 120482 129791 259582 682919 1365838 73072333 146144666