Search a number
-
+
145992856 = 23109167423
BaseRepresentation
bin10001011001110…
…10110010011000
3101011201012112211
420230322302120
5244333232411
622253044504
73421630102
oct1054726230
9334635484
10145992856
1175455659
1240a86734
1324328009
1415564572
15cc3c221
hex8b3ac98

145992856 has 16 divisors (see below), whose sum is σ = 276249600. Its totient is φ = 72326304.

The previous prime is 145992851. The next prime is 145992859. The reversal of 145992856 is 658299541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145992851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82840 + ... + 84583.

It is an arithmetic number, because the mean of its divisors is an integer number (17265600).

Almost surely, 2145992856 is an apocalyptic number.

It is an amenable number.

145992856 is a deficient number, since it is larger than the sum of its proper divisors (130256744).

145992856 is a wasteful number, since it uses less digits than its factorization.

145992856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167538 (or 167534 counting only the distinct ones).

The product of its digits is 777600, while the sum is 49.

The square root of 145992856 is about 12082.7503491548. The cubic root of 145992856 is about 526.5551541579. Note that the first 3 decimals are identical.

The spelling of 145992856 in words is "one hundred forty-five million, nine hundred ninety-two thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 109 218 436 872 167423 334846 669692 1339384 18249107 36498214 72996428 145992856