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145966404 = 223791071439
BaseRepresentation
bin10001011001101…
…00010101000100
3101011122212021010
420230310111010
5244331411104
622252322220
73421460013
oct1054642504
9334585233
10145966404
11754377a1
1240a73370
1324318c6c
1415558a7a
15cc34489
hex8b34544

145966404 has 48 divisors (see below), whose sum is σ = 348364800. Its totient is φ = 47557536.

The previous prime is 145966397. The next prime is 145966409. The reversal of 145966404 is 404669541.

It is not an unprimeable number, because it can be changed into a prime (145966409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100717 + ... + 102155.

It is an arithmetic number, because the mean of its divisors is an integer number (7257600).

Almost surely, 2145966404 is an apocalyptic number.

It is an amenable number.

145966404 is an abundant number, since it is smaller than the sum of its proper divisors (202398396).

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

145966404 is a wasteful number, since it uses less digits than its factorization.

145966404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632 (or 1630 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 145966404 is about 12081.6556812384. The cubic root of 145966404 is about 526.5233505966.

The spelling of 145966404 in words is "one hundred forty-five million, nine hundred sixty-six thousand, four hundred four".

Divisors: 1 2 3 4 6 12 79 107 158 214 237 316 321 428 474 642 948 1284 1439 2878 4317 5756 8453 8634 16906 17268 25359 33812 50718 101436 113681 153973 227362 307946 341043 454724 461919 615892 682086 923838 1364172 1847676 12163867 24327734 36491601 48655468 72983202 145966404